Pin order before you staple
You crimp patch leads at home and you can take a remote to the far plug. The white VCELINK GJ468 is an LED wiremap at about £8.99. It says not to connect it to a live circuit, and a 9 V cell is not in the box.
Cable tester comparison 2026
The best cable testers, compared.
Top pick: YILTION NF-8506 cable tester Best value: VCELINK GJ468 cable tester (white) – Strongest price for a supported pin-order job: about £8.99, shared 4.5 from 3,036 reviews, and the live-circuit sentence is on this file. Updated 22.10.2026.
Charlie White (Charlie DIYte)Expert source
Most UK buyers are testing a patch lead, tracing a run, checking a camera lead, or sorting USB leads. They are not signing a BS 7671 inspection. A toner finds a cable when the far end is in another room. A screen tool adds a length claim and, on some rows, a stated check. Socket and tone are in the [cable tester buying guide](/hub/electrical-equipment/cable-tester/sub/cable-tester-buying-guide). The twelve listings do not all do the same job. A shared title is not a shared socket. An [automatic wire stripper](/hub/electrical-equipment/automatic-wire-stripper) does not tell you whether the pairs are swapped. Split pairs can slip through a simple DC lamp test. Certification measures crosstalk, return loss and the rest, and keeps the result. The white file says not to connect the tester to a live circuit. Whether you can see both ends decides tone. Read that line before you rely on it. Wrong cable-type setting, which changes the nominal velocity of propagation, gives a wrong metre reading. Power in the box matters too: several of these units look dead until you fit a cell the listing does not include.
Most UK buyers are testing a patch lead, tracing a run, checking a camera lead, or sorting USB leads. They are not signing a BS 7671 inspection. A toner finds a cable when the far end is in another room.
41 products checked · 57 hrs invested · +24,300 readers
12 of 12: Best cable testers compared
Swipe for more
1-2 of 12Best overall
Best value
2.1/10
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∼ £100
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5.0(1)
4.5(3,036)
4.5(3,036)
4.5(168)
4.5(163)
4.5(24)
4.4(311)
4.4(158)
4.4(27)
4.2(124)
4.0(6)
3.9(12)
Personal buying guide
Which cable tester fits this job?
Question 1 of 2
Which lead are you testing?
The best cable testers in detail
Our view
The listing titled NF-8506, with the model field NF-802MG and part D-E-N-F-8506, is a screen tester at £99.99 that claims ping, an IP scan, port flash, length from 2.5 m to 200 m and both 802.3af/at and non-standard PoE. The star line is 5.0 from 1 review, and the file has no UK review body to read, so there is no praise and no fault in the file. The power-source field says no, and the included line says host. The bullet spells the locator as NVC rather than NCV, and there is no explicit do-not-connect-to-mains sentence. A perfect star from a single unpublished text is not a reason to prefer it over the NOYAFA at £89.99, which has 158 reviews and written faults you can judge. Keep both model names if you order it. Do not treat the length or PoE lines as measurements made for this comparison.
Pros
- Length from 2.5 m to 200 m and fault distance claimed
- 802.3af/at and non-standard PoE claimed, plus ping and port flash
- RJ11 and RJ45 on a 318 g unit
Cons
- 5.0 from 1 review, with no UK review text
- Title says NF-8506 and the model field says NF-802MG
- Power-source field says no
- No live-circuit sentence in the file
Best for: You have another reason, outside this review file, to order the NF-8506 / NF-802MG name and you accept a one-star listing.
Less suitable: Anyone treating 5.0 from one review as a reputation, or anyone who wants written UK faults to read first.
Specifications
- Model
- YILTION NF-8506 cable tester
- Brand
- YILTION
- Price
- ∼£100
- Customer rating
- 5.0/5(1)
- Tester type
- TDR screen
- Connectors
- RJ45, RJ11
- Tone
- Yes
- Length claim
- 2.5–200 m
- Po E stated
- af/at and non-standard
- NCV stated
- NVC in bullet
- Cells in the box
- Field says no
- Live-circuit note
- Not stated
Common questions
Which model name is on the listing?
The title and bullets say NF-8506. The model-number field says NF-802MG. The manufacturer part is D-E-N-F-8506. Keep both.
Is there a review to read?
The star line is 5.0 from 1. There is no UK review body in the saved listing.
What length does the listing claim?
2.5 m to 200 m, also written as 8.2 ft to 656 ft, with fault distance claimed.
Our view
The white VCELINK GJ468 walks pins 1 to 8 on a disconnected RJ45 or RJ11 lead at £8.99, with a separable remote, a G lamp for the shield and an S button that slows the display. The amazon.co.uk line is 4.5 from 3,036 reviews, and those bodies are the same pool as the black listing, so this is one sample rather than two. Reviewers use it on homemade plugs and on room-to-room socket tracing once the remote is unclipped, within a listing claim of up to 200 m. A 9 V cell is not in the box, and the tester looks dead until you fit one. This colour’s file says not to connect it to a live circuit, because over-voltage may damage it. It does not show crosstalk, and a lead that still has pin continuity can still fail at data speed. The Amazon measurement field calls it a wire tracer, which is the wrong name for a lamp pair with no tone probe.
Pros
- Separable remote for a lead you can reach at both ends
- Shows open pairs and wrong pin order on homemade RJ45 plugs
- £8.99 with 4.5 from 3,036 reviews, shared with the black ASIN
- G lamp for the shield, and a live-circuit warning on this file
Cons
- 9 V battery not included
- No tone, so both ends have to be visible
- No crosstalk reading
- Review pool is shared with the black listing
Best for: You are checking pin order on a disconnected RJ45 or RJ11 lead and can take the remote to the far plug.
Less suitable: You need a toner, a stated PoE class, or the cable might still be live.
Specifications
- Model
- VCELINK GJ468 cable tester (white)
- Brand
- VCELINK
- Price
- ∼£9
- Customer rating
- 4.5/5(3,036)
- Tester type
- LED wiremap
- Connectors
- RJ45, RJ11, BNC
- Tone
- No
- Length claim
- Up to 200 m
- Po E stated
- No
- NCV stated
- No
- Cells in the box
- 9 V not included
- Live-circuit note
- Not for live circuits
Common questions
Does this listing include a 9 V battery?
No. The bullets and the reviews say a 9 V cell is required and is not in the box.
Can you plug it into a live network port?
The white listing says not to connect the tester to live circuits, because over-voltage may damage it.
Are the 3,036 reviews only for the white unit?
No. The review notes say the first 50 UK review bodies match the black ASIN B0DT5S9JHF, so treat the star line as one shared pool.
Our view
The black VCELINK GJ468 is the same style of LED wiremap at the same £8.99, for RJ45 and RJ11/RJ12, with a listing claim of up to 200 m and a G lamp for shielding. The 4.5 from 3,036 is the shared pool with the white ASIN, including the same opening review text, so do not add the two counts. Reviewers still describe open pairs, wrong order on homemade plugs, and socket tracing once the remote is separated. A 9 V cell is not included, and the unit is unusable until you fit one. This saved listing does not repeat the white listing’s do-not-connect-to-live-circuits sentence, so that warning is not a bullet you can quote from the black page. It is still not a tone probe, and it still does not show crosstalk. Choose the black unit when you want that colour and you have already read the live-circuit line on the white listing.
Pros
- Same £8.99 lamp pair for RJ45 and RJ11/RJ12
- Separable remote and a G lamp for the shield
- Shared 4.5 from 3,036 reviews for homemade plugs and socket tracing
Cons
- 9 V battery not included
- No live-circuit sentence in this file
- No tone and no crosstalk reading
- Not an independent review sample from the white ASIN
Best for: You want the black GJ468 for pin order on a disconnected lead and you have read the live-circuit warning on the white listing.
Less suitable: You need the warning printed on the page you are buying, or you need tone or a PoE class.
Specifications
- Model
- VCELINK GJ468 cable tester (black)
- Brand
- VCELINK
- Price
- ∼£9
- Customer rating
- 4.5/5(3,036)
- Tester type
- LED wiremap
- Connectors
- RJ45, RJ11/RJ12
- Tone
- No
- Length claim
- Up to 200 m
- Po E stated
- No
- NCV stated
- No
- Cells in the box
- 9 V not included
- Live-circuit note
- Not stated
Common questions
Is the black listing a different review set?
No. The review bodies match B08CZW1CQ8, and the star line and opening review text are the same pool.
Does this file repeat the live-circuit warning?
No. The live-circuit sentence is on the white listing. This saved listing does not repeat it.
What does the G lamp mean on this listing?
The bullets say the G lamp is for shielding and grounding, with fast and slow LED modes for open, short and miswire.
Our view
The TESMEN TLP-528C is a toner and wiremap at £29.99 for RJ45 and RJ11, with the main unit separable from the remote and a non-metallic probe the listing claims can follow a cable in a bundle, under a carpet or in a ceiling. It scores 4.5 from 168 reviews, and the 27 UK bodies in the file praise the case and the four AAA cells, often named as Duracell, already in the box. Reviewers use it to check self-terminated plugs on PoE camera runs, though the bullets do not state a PoE measurement. About £30 feels high next to a lamp pair under £10 when you can already see both plugs. It is not rechargeable, and the case is larger than the tool. Buyers who expected a length figure or an optical test are in the wrong price band. When the far end is in another room and you want tone plus pin lamps without a screen price, this is the kit the file supports.
Pros
- Tone and a wiremap in one kit at £29.99
- Four AAA cells and a storage box included
- 4.5 from 168 reviews, with 27 UK bodies and no widespread dead-on-arrival pattern
- Detachable remote for a long cable
Cons
- No PoE measurement in the bullets
- No live-circuit sentence in the file
- Not rechargeable, and the case is larger than the tool
- No length claim
Best for: You need to trace a CAT5 or CAT6 cable you cannot see at both ends, and you do not need a stated PoE class.
Less suitable: A bench lead you can already lamp-test, or a job that needs length or an optical reading.
Specifications
- Model
- TESMEN TLP-528C cable tester
- Brand
- TESMEN
- Price
- ∼£30
- Customer rating
- 4.5/5(168)
- Tester type
- Toner and wiremap
- Connectors
- RJ45, RJ11
- Tone
- Yes
- Po E stated
- Not in bullets
- Cells in the box
- 4 x AAA included
Common questions
Are the batteries in the box?
Yes. The included line lists four AAA batteries, a storage box and a manual. Reviews often name the cells as Duracell.
Does the listing measure PoE?
No. Reviews mention PoE camera terminations. The bullets do not state a PoE measurement.
Is there a live-circuit warning in the file?
No. The listing notes do not record CE, UKCA or a live-circuit sentence. There is no mains plug.
Our view
The Treedix TRX5-0816 is a USB lead checker at £46.99 with a 2.4 inch colour screen for Lightning, USB-C, Micro-B, Mini-B and USB-A. Across 4.5 from 163 reviews, the first 50 UK bodies use it to sort a drawer into charge-only, data and higher-power USB-C leads, and the listing claims it reads Type-C eMarker current, voltage and data rate. It runs from an AAA cell or USB-C 5 V, though the included-components line only says usb cable tester. It is not an RJ45 ethernet tester and it is not for 230 V wiring. The case, switch and buttons feel cheap to several reviewers, the battery cover can be very tight, and USB-A and Lightning ports can mark a plug. Two units failed within minutes for one buyer, and reviewers say the seller replaced some of them. There is no firmware update in those reviews. For a drawer of phone and laptop leads it does a job none of the network rows attempt.
Pros
- 2.4 inch screen for Lightning, USB-C, Micro-B, Mini-B and USB-A
- 4.5 from 163 reviews for sorting charge-only and data leads
- eMarker current, voltage and data rate claimed on Type-C
- AAA or USB-C power
Cons
- Not an RJ45 or CAT6 tester
- Case and ports feel cheap, and plugs can be marked
- Two units failed within minutes for one buyer
- No firmware update, according to reviewers
Best for: You are sorting a drawer of USB and Lightning leads into charge-only, data and higher-power cables.
Less suitable: A CAT6 run, a toner job, or a handful of leads that do not justify £46.99.
Specifications
- Model
- Treedix USB cable tester
- Brand
- Treedix
- Price
- ∼£47
- Customer rating
- 4.5/5(163)
- Tester type
- USB lead checker
- Connectors
- USB and Lightning
- Tone
- No
- Po E stated
- No
- NCV stated
- No
- Cells in the box
- Not confirmed
- Live-circuit note
- Not for 230 V
Common questions
Will this check a CAT6 lead?
No. The listing is USB leads only, and it is not an RJ45 ethernet tester.
What does the eMarker line claim?
The listing claims it reads Type-C eMarker parameters such as maximum current, voltage and data rate.
Is an AAA cell confirmed in the box line?
The included-components line says usb cable tester. Reviews mention an AAA cell supplied with at least some units, so the box line itself does not confirm a cell.
Our view
The Tenma 72-9966 is an AV continuity box at £39.57 with a 9-way selector, aimed at audio, video and communication leads rather than an RJ45 wiremap. It scores 4.5 from 24 reviews, and the 10 UK bodies praise quick checks for singers, hire companies and DJs without dragging out a multimeter. The included line names the tester only. Reviews say test leads are not in the box and a PP3 9 V battery is required and not supplied, so the unit looks dead until you add both. A reviewer could not test fuses on the 4 mm plugs without extra leads. HDMI is asked on the listing and not answered in the bullets. It weighs 840 g, which is a bench box rather than a pocket lamp. It is the AV row in this set, not a network toner and not a CAT6 mapper.
Pros
- 9-way selector for continuity on audio and video leads
- 4.5 from 24 reviews, with 10 UK bodies from hire and DJ use
- Clear enough for a first-time user, in those reviews
Cons
- Test leads and the 9 V battery are not in the box
- No RJ45 wiremap and no connector list in the bullets
- HDMI is asked and not answered
- Not a network toner
Best for: You check XLR, jack and similar AV leads and you already own test leads and a 9 V cell.
Less suitable: A CAT6 plug, an HDMI question the listing does not answer, or a cable you need to trace by tone.
Specifications
- Model
- Tenma 72-9966 AV cable tester
- Brand
- Tenma
- Price
- ∼£40
- Customer rating
- 4.5/5(24)
- Tester type
- AV continuity
- Connectors
- No socket list
- Tone
- No
- Po E stated
- No
- NCV stated
- No
- Cells in the box
- 9 V not included
- Live-circuit note
- Not stated
Common questions
Will this test an RJ45 patch lead?
The listing is not an RJ45 wiremapper. The bullets claim audio, video, data and communication cables without a connector list.
Are test leads and a battery included?
The included line names the tester only. Reviews say test leads are not in the box and a 9 V battery is required and not supplied.
Does the listing answer the HDMI question?
No. HDMI is recorded as a listing question that the bullets do not answer.
Our view
The TESMEN TLP-900AR is a transmitter and receiver at £43.99 for RJ45 and RJ11, with tone, a wiremap, a QC crimp port and a claimed NCV check on the receiver. The box includes two 9 V cells, an RJ11 alligator-clip lead, patch leads and a case, and the star line is 4.4 from 311 reviews across 39 UK bodies. Reviewers trace cables in untidy cabinets and say it held up on PoE where cheaper toners failed, though the bullets do not state a measured PoE class. One lightly used unit lost a channel after a few uses. Some buyers who only wanted lamp continuity found the kit busier than they needed, and at least one review title assumed it was a fibre tester, which it is not. If the crimp port and the NCV claim are the difference from the cheaper TESMEN, this is the listing that prints them.
Pros
- Tone, wiremap and a QC crimp port, with two 9 V cells in the box
- 4.4 from 311 reviews, 39 UK bodies
- Alligator clips for unterminated wires, plus a case
- Reviews describe it surviving PoE better than cheaper toners
Cons
- No measured PoE class in the bullets
- One unit lost a channel after light use
- Busier than a lamp pair if you only need pin order
- Not a fibre tester
Best for: You want tone, a crimp check and a claimed NCV probe, and you accept that PoE in the title is not a wattage.
Less suitable: A simple bench wiremap, or a fibre loss measurement.
Specifications
- Model
- TESMEN TLP-900AR cable tester
- Brand
- TESMEN
- Price
- ∼£44
- Customer rating
- 4.4/5(311)
- Tester type
- Toner and wiremap
- Connectors
- RJ45, RJ11
- Tone
- Yes
- Po E stated
- Title only
- NCV stated
- Yes
- Cells in the box
- 2 x 9 V included
- Live-circuit note
- Not stated
Common questions
What is in the box?
A transmitter, a receiver, an RJ11 alligator-clip cable, an RJ45 cable, an RJ11 cable, a storage box, a manual and two 9 V batteries.
Does it state a PoE class?
PoE is in the title. The bullets do not state a measured PoE class. Reviews say it survived PoE better than cheaper toners.
What does the NCV line claim?
The receiver claims NCV for live wires and sockets, described as a way to avoid strong electricity during construction. It is not a mains installation tester.
Our view
The NOYAFA NF-8508 is a screen tester at £89.99 with tone, a PoE mode, a 200 m length claim and a basic optical power meter on FC, SC and ST, plus a 650 nm red light. It scores 4.4 from 158 reviews. In the first 50 UK bodies, tone tracing through about 50 unmarked Cat6 cables and fibre dBm checks that avoided a call-out are the repeated praise, and a far-end light source is still required. Length ran about 10 to 20 percent long in one review and 3 to 4 m over with no calibration in another, and runs under about 2.5 m did not register. A supplied test lead was damaged within a day and caused repeat false faults, and one buyer could not charge Type-C to Type-C and needed a USB-A lead. The built-in cell is a 1500 mAh 3.7 V pack, with about 10 hours claimed. It is not an OTDR, adapters for the optical ports are not in the box, and it is not a BS 7671 tester. When you want tone, a stated PoE mode and a dBm reading in one 600 g unit, this is the screen row with a review file you can read.
Pros
- Tone, a PoE mode and a basic optical power meter at £89.99
- 4.4 from 158 reviews, including bundle tracing and dBm checks
- Built-in 1500 mAh cell, Type-C charging claimed
- 200 m length claim, with the review errors stated beside it
Cons
- Length long by about 10–20 percent in one review, and short runs under about 2.5 m missed
- Test lead damaged within a day caused false faults
- Optical adapters are not in the box, and it is not an OTDR
- Type-C to Type-C charging failed for one buyer
Best for: You want tone, a stated PoE mode and a basic dBm reading, and you will not treat the length figure as exact.
Less suitable: An OTDR job, a certified CAT6 link, or a short patch lead under about 2.5 m.
Specifications
- Model
- NOYAFA NF-8508 cable tester
- Brand
- NOYAFA
- Price
- ∼£90
- Customer rating
- 4.4/5(158)
- Tester type
- Screen and optical
- Connectors
- RJ45, RJ11, FC/SC/ST
- Tone
- Yes
- Length claim
- 200 m claimed
- Po E stated
- PoE mode claimed
- NCV stated
- Yes
- Cells in the box
- Built-in 1500 mAh
- Live-circuit note
- Not stated
Common questions
Is the optical meter an OTDR?
No. The listing is a basic optical power meter and a 650 nm red light, and it is not an OTDR. Reviews say a far-end light source is still required, and adapters are not in the box.
What do the captured reviews say about length?
One review says the length reading ran about 10 to 20 percent long. Another says 3 to 4 m over with no calibration. Runs under about 2.5 m are described as not registering.
How does it charge?
The listing claims Type-C charging of a built-in 1500 mAh 3.7 V cell. One review said Type-C to Type-C charging failed and a USB-A lead was required.
Our view
The TREND Networks R158008 VDV II Plus is a voice, data and coax verifier at £318.00, with RJ11/RJ12, RJ45 and F-type, a claimed 2.9 inch backlight screen, hub blink and AnyWARE Cloud PDF reports. It scores 4.4 from 27 reviews, and only three UK bodies are in the file: one recommends it as a CAT6 tester, one prefers the toner to a Klein tester at a similar price, and one calls the functions basic for the money. No hardware defect is described in those three. The amazon.co.uk file does not print a metre range, does not list the box contents beyond the tester description, and does not describe the unit as a certifier. The number-of-items field says 4 while the pack count says 1, so do not invent a four-piece kit from that field. Country of origin is Malaysia. It is the ceiling of this set for a named copper verifier, and it still does not store a BS EN 50173 pass.
Pros
- RJ45, RJ11/RJ12 and F-type on one verifier at £318.00
- Length to an open claimed, plus hub blink and app PDF reports claimed
- 4.4 from 27 reviews, with no defect in the three UK bodies read
- Formerly IDEAL Networks, made in Malaysia
Cons
- Not described as a certifier in the amazon.co.uk file
- No metre figure and no confirmed box contents in that file
- Only three UK review bodies against a count of 27
- Called overpriced against cheaper tools in one of those reviews
Best for: You want a named voice, data and coax verifier and you do not need a stored BS EN 50173 certificate.
Less suitable: A cabling warranty, a BS 7671 inspection, or a pin check a £8.99 lamp pair already covers.
Specifications
- Model
- TREND VDV II Plus verifier
- Brand
- TREND Networks
- Price
- ∼£318
- Customer rating
- 4.4/5(27)
- Tester type
- Copper verifier
- Connectors
- RJ45, RJ11, F-type
- Length claim
- To an open
- Cells in the box
- Type not stated
Common questions
Is this described as a certifier?
No. The listing calls it a copper cable verifier for voice, data and video, and does not describe it as a certifier.
What connectors are named?
RJ11/RJ12 for voice, RJ45 for data, and coax F-type for video.
How many UK reviews were read?
Three bodies against a count of 27. One calls it a CAT6 tester, one prefers the toner to a Klein tester, and one calls it overpriced. No hardware defect is described in those three.
Our view
The FNIRSI LPM-10A is a rechargeable transmitter and receiver at £86.99 that claims tracing, a length reading, 10/100/1000 Mbps and auto-detect of standard and non-standard PoE on CAT5, CAT5e and CAT6. The star line is 4.2 from 124, but the saved listing contains one UK review body, which calls it a great tool and blames poor on-screen language for 4 stars rather than 5. Do not treat the other 123 as a UK complaint file you have read. A listing question asks about a case, and the bullets do not confirm one. NCV for live AC is claimed, and that claim is not proof a circuit is dead. The included line says LPM-10A only. At this price the feature list is wide and the readable UK evidence is one paragraph, which is why the score sits well below the NOYAFA with a similar shelf price and 158 reviews.
Pros
- Tracing, a length claim and stated standard and non-standard PoE
- Rechargeable transmitter and receiver at 250 g
- RJ45 and RJ11, with cameras and access points named in the PoE bullet
Cons
- One UK review body against a count of 124
- On-screen language criticised in that review
- Case not confirmed in the bullets
- NCV is not proof a circuit is dead
Best for: You already accept a one-review UK file and you want the printed PoE auto-detect and length claims at £86.99.
Less suitable: You want a screen tool with a UK review file you can actually read.
Specifications
- Model
- FNIRSI LPM-10A cable tester
- Brand
- FNIRSI
- Price
- ∼£87
- Customer rating
- 4.2/5(124)
- Tester type
- Toner and screen
- Connectors
- RJ45, RJ11
- Tone
- Yes
- Length claim
- Claimed, no range
- Po E stated
- Standard and non-standard
- NCV stated
- Yes
- Cells in the box
- Rechargeable
- Live-circuit note
- Not stated
Common questions
How many UK review bodies are in the file?
One, against a star count of 124. That review calls it a great tool and gives poor software language as the reason for 4 stars rather than 5.
What PoE line is printed?
The bullets claim auto-detect of standard and non-standard PoE, and name cameras, access points and switches.
Is a case confirmed?
No. Included components say LPM-10A. A listing question asks about a case and the bullets do not confirm one.
Our view
The YILTION NF-859GK is a red TDR-style tester at £120.99 that claims RJ45, RJ11 and RJ12, length from 2.5 m to 200 m, 802.3af/at and non-standard PoE, ping, an IP scan and a fibre-continuity bullet. It scores 4.0 from 6 reviews, and four UK bodies were read. Praise for copper and fibre checks and a trace wand sits next to one unit that arrived faulty, with that buyer saying the refund never arrived and seller messages went unanswered. The power-source field says NO, the included line says host, and the battery type is not stated. Fibre continuity is a bullet, not a specified optical power meter, and the bullets also say ZHOUCE NF-859GK. There is no separate live-circuit warning in the file. At the top of the screen-tool prices in this set, that support report and the six-review sample are the limit, which is why it scores below the NOYAFA despite the longer feature list.
Pros
- TDR length claim of 2.5 m to 200 m, plus ping and port flash
- 802.3af/at and non-standard PoE claimed
- Four UK reviews mention a trace wand and time saved
Cons
- 4.0 from 6 reviews, so the praise is not a pattern
- One unit arrived faulty and the refund was not received
- Power-source field says no, and the included line is host only
- Fibre continuity is not specified as an optical power meter
Best for: You specifically want the NF-859GK feature list and you accept a six-review sample with a failed refund in the file.
Less suitable: A first screen tool, when the NOYAFA at £89.99 has the review file and this row has the support complaint.
Specifications
- Model
- YILTION NF-859GK cable tester
- Brand
- YILTION
- Price
- ∼£121
- Customer rating
- 4.0/5(6)
- Tester type
- TDR screen
- Connectors
- RJ45, RJ11, RJ12
- Tone
- Yes
- Length claim
- 2.5–200 m
- Po E stated
- af/at and non-standard
- Cells in the box
- Field says no
- Live-circuit note
- Not stated
Common questions
What functions do the bullets name?
PoE detection, QC, continuity, IP scan, ping, cable length, network speed, port flash and fibre continuity. Receiver pairing with NF-859GT, GS, GE and GK is also claimed.
What do the four UK reviews say?
Praise covers copper and fibre checks, a trace wand and time saved. One unit arrived faulty, and that buyer says the refund was not received and seller messages went unanswered.
Is the battery type stated?
No. The power-source field says NO, and the battery type is not stated. The included line says host.
Our view
The YILTION NF-468CS is an LED wiremap at £31.99 that claims 802.3af and 802.3at with a pin diagram, and it says the PoE or network cable should not exceed 60 V. The star line is 3.9 from 12 reviews, and only three UK bodies were in the file: they mention RJ45 checks several times a week and a rechargeable cell rather than buying 9 V batteries. One of those three calls it a little expensive for what it is, and none describes a hardware defect. The Amazon power-source field says corded electric and the minimum-voltage field says 60 V, which conflicts with a small battery tester, so the cell is not confirmed. The length sentence of 2.5 m to 2,000 m is copied as written and sits far from the 200 m claims on other mappers. There is no tone. Use it only if you specifically want those PoE LEDs and you accept a thin review file and conflicting power lines.
Pros
- 802.3af and 802.3at claimed, with a stated 60 V maximum
- LED pin diagram for open, short, crossover and straight-through
- Three UK reviews mention repeat RJ45 use
Cons
- 3.9 from 12 reviews, and only three UK bodies were read
- Power-source fields conflict, so the cell is not confirmed
- 2.5 m to 2,000 m is an unverified listing sentence
- No tone
Best for: You want a mid-price LED mapper that states a 60 V PoE cap, and you can live with a thin review file.
Less suitable: You need a confirmed battery, a toner, or a length figure you can trust.
Specifications
- Model
- YILTION NF-468CS cable tester
- Brand
- YILTION
- Price
- ∼£32
- Customer rating
- 3.9/5(12)
- Tester type
- LED wiremap, PoE
- Connectors
- RJ45, RJ11, RJ12
- Tone
- No
- Length claim
- 2.5–2,000 m
- Po E stated
- 60 V; af and at
- NCV stated
- No
- Cells in the box
- Fields conflict
- Live-circuit note
- 60 V maximum
Common questions
What PoE limit does the listing state?
It claims 802.3af and 802.3at with an LED pin diagram, and says the PoE or network cable should not exceed 60 V.
Is the 2,000 m length line confirmed?
No. The listing sentence is copied as written and sits far from the 200 m claims on other mappers.
How is it powered?
The Amazon power-source field says corded electric and the minimum-voltage field says 60 V. Reviews mention a rechargeable cell. Those lines conflict, so the cell is not confirmed.
How we compared
Twelve cable testers on amazon.co.uk were scored from the 20 October 2026 listings and the UK review notes, not from a lab. A printed length, PoE class or wattage is a listing claim. Amazon evidence is 25, listing fit is 40, review outcome is 20 and value is 15. The star line is scaled against 5, then by how many UK review bodies were read. The highest score is the top pick. Best value is the strongest price for a supported pin-order job once that slot is filled. The black GJ468 ties the white row on value and does not take a second award, because the live-circuit sentence sits on the white file and the review pool is shared.
1
Amazon evidence
25%The amazon.co.uk star rating is scaled against 5, then multiplied by a count factor. The factor is full when the published count is 100 or more and at least 20 UK review bodies were read. It falls when the count is smaller, or when a high count has only one UK body, or when the line is one star with no review text. The two VCELINK colours share one 3,036 pool, so each may use that star line and neither is counted twice.
2
Listing fit
40%A named socket, a named job, and a limit you can act on: a live-circuit sentence, a 60 V cap, a stated PoE mode, or cells in the box. Conflicting model names, conflicting power fields, an unverified 2,000 m line, or an Amazon field that calls a lamp pair a wire tracer, lower this part.
3
Review outcome
20%UK texts that describe the job the listing claims. A unit that is dead until a battery is fitted, a false fault, a length that runs long, or a refund that did not arrive, lowers this part. No review body means 0.
4
Value
15%Shelf price against the job the file actually supports. The lowest price does not win when the sample is one review or the power lines conflict. The white GJ468 takes best value for a pin-order job at £8.99, with the live-circuit sentence on that file.
Independent review
Last updated: 22.10.2026
8 sources checked
Cable tester buying guide
Start with the socket and the job, then what a pass actually means, then whether you can see both ends. Live-circuit behaviour and the cells in the box come after that. The notes below follow that order for these twelve amazon.co.uk listings, checked on 20 October 2026. None of the scores is a lab test.
What does a cable tester check?
A cable tester on amazon.co.uk checks conductors. The twelve listings do not all do the same job. UK buyers are mostly testing patch leads, tracing a CAT6 run, checking a PoE camera lead, or sorting USB leads. They are not signing a BS 7671 inspection. A lamp pair shows pin order. A toner finds a cable in a bundle. A screen tool adds a length claim and, on some rows, a stated PoE check.
Best for
- A home crimp check, when you can see both plugs and you only need pin order on a disconnected lead
- A small-office or CCTV run, when you need tone and you still do not owe a certification PDF
- A voice, data and coax verifier, when the specification does not demand a stored BS EN 50173 result
Not ideal for
- A BS 7671 inspection, or any cable that might still be 230 V mains
- A cabling warranty that demands certification to BS EN 50173 or ISO/IEC 11801
- Buying a USB checker for CAT6, or treating a wiremap lamp as a certifier
Mistakes to avoid
- 1
Buying USB for CAT6
The Treedix checks Lightning, USB-C, Micro-B, Mini-B and USB-A. It is not an RJ45 ethernet tester. A CAT6 plug needs an RJ45 row, such as the VCELINK lamp pair or a TESMEN toner.
- 2
Calling a wiremap a certification
Lamps show continuity and pin order. Split pairs can slip through a simple DC test. A certification tester stores crosstalk and return loss against BS EN 50173 or ISO/IEC 11801. None of these listings does that.
- 3
Plugging a basic mapper into live PoE
The white VCELINK file says not to connect the tester to a live circuit. Basic mappers are for disconnected cable. NCV is not proof a circuit is dead, and a wrong cable-type setting makes a length figure wrong.
What to weigh up
Connector and what pass means
HighMatch the socket to the lead. RJ45 and RJ11 are the data and telephone rows: both VCELINK colours, both TESMEN kits, the NOYAFA, the FNIRSI and the YILTION screen tools. The TREND adds F-type coax and is the voice, data and video verifier. The Treedix is USB and Lightning only. The Tenma is an AV continuity box with no connector list in the bullets, so it is not an RJ45 mapper. A pass on a lamp pair is pin order: open, short, miswire, and on the VCELINK a G lamp for the shield.
Tone, length and live circuits
HighIf you can see both ends, the white VCELINK at about £8.99 is the pin-order row, and you supply the 9 V cell. If the far end is in another room, you need tone. The TESMEN TLP-528C includes four AAA cells and a case at about £29.99 and does not state a PoE class. The TLP-900AR at about £43.99 adds a crimp port and a claimed NCV check, still without a measured PoE class in the bullets. Length is a listing claim.
Which option suits you?
Three typical situations, each with a recommendation from this comparison.
A run you cannot see
You trace CAT5 or CAT6 in a small office or on a camera lead, and you do not need a stated PoE class. The TESMEN TLP-528C is about £29.99, with tone, four AAA cells and a case.
Voice, data and coax
You want a named verifier for telephone, data and F-type coax, and the specification does not demand a stored BS EN 50173 result. The TREND VDV II Plus is about £318. It is not described as a certifier.
Common questions about cable testers
Which cable tester is the top pick in this set?
The top pick is the TESMEN TLP-528C, about £29.99, with 4.5 from 168 amazon.co.uk reviews. It is a toner and wiremap for RJ45 and RJ11, and the box lists four AAA cells and a case. The score is 84, from the listing and the UK review notes, not a lab test. The bullets do not state a PoE measurement, and there is no length claim. It fits when the far end is in another room and you do not need a stated PoE class.
Which cable tester is best value?
The best value is the white VCELINK GJ468 at about £8.99. It is an LED wiremap for a disconnected RJ45 or RJ11 lead, with a separable remote. The star line is 4.5 from 3,036 reviews, shared with the black ASIN, so do not add the two counts. This file says not to connect it to a live circuit. A 9 V cell is not included, and there is no tone. The black GJ468 is the same price and has no award.
How much do cable testers cost on amazon.co.uk?
On these twelve shelves, checked on 20 October 2026, entry LED wiremaps are about £8.99. Mid-price rows run about £30 to £47: the TESMEN toner kits, the Tenma AV box, the Treedix USB checker and the YILTION NF-468CS. Screen tools sit about £87 to £121. The TREND VDV II Plus verifier is £318. Certification analysers are a different market and are not priced here. These figures are the shelf prices in the files, not an index, and they will move.
Does a wiremap certify a CAT6 lead?
No. Wiremap is continuity and pin order. Split pairs can slip through a simple DC lamp test. Certification measures crosstalk, return loss and the rest, and keeps the result against BS EN 50173 or ISO/IEC 11801. None of these twelve listings is described as that instrument. The TREND VDV II Plus is a voice, data and coax verifier at about £318, and the amazon.co.uk file does not call it a certifier. A £8.99 lamp pair does not produce a cabling record.
Can you plug a basic mapper into live PoE?
Do not. The white VCELINK listing says not to connect the tester to live circuits, because over-voltage may damage it. Basic mappers are for disconnected cable. PoE is extra-low voltage DC: IEEE 802.3af is up to 15.4 W at the switch, and 802.3at is up to 30 W. Non-standard injectors may not handshake. Use a stated PoE mode where a listing prints one, and do not treat NCV as proof that a circuit is dead. None of these tools is a BS 7671 installation tester.
Are the two VCELINK review counts separate?
No. The white GJ468 (B08CZW1CQ8) and the black GJ468 (B0DT5S9JHF) each show 4.5 from 3,036 reviews, and the review notes say the bodies match, including the same opening review text. Treat that as one pool. The white file carries the live-circuit sentence. The black file does not repeat it. Both are LED wiremaps at about £8.99, with no tone, and a 9 V cell is not in the box. Choosing black is a colour choice after you have read the white warning.
When should you stop and call a competent person?
Stop when the cable in the void might be mains, when a specification names a stored category test, or when fibre needs a loss budget or an OTDR rather than a red light and a dBm figure. HSE says a fixed installation is checked by a competent person. A crimp on a lug is a different tool: a cable lug crimper closes the lug and does not show pin order. These testers do not replace that inspection.
Our verdict
In this set of twelve amazon.co.uk listings, the top pick is the TESMEN TLP-528C. It is about £29.99, with 4.5 from 168 reviews, tone, a wiremap, four AAA cells and a case. The score is 84. The bullets do not state a PoE class. The best value is the white VCELINK GJ468 at about £8.99, score 78, an LED wiremap with 4.5 from 3,036 reviews shared with the black ASIN, and a live-circuit sentence on this file. It has no tone, and the 9 V cell is not included. The black GJ468 scores 76 and has no award. The TESMEN TLP-900AR scores 82 and the Treedix USB checker scores 81, both without an award. None of these scores is a lab test, and none of these listings stores a BS EN 50173 pass.
Best value
View offer
VCELINK GJ468 cable tester (white)
Strongest price for a supported pin-order job: about £8.99, shared 4.5 from 3,036 reviews, and the live-circuit sentence is on this file.
Editorial
Editor
Cable testersNetwork leadsamazon.co.uk listings
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Updated: 22.10.2026
8 sources checked
Guides to cable testers
Guides on what to look for, how to use a product, and common mistakes.
Cable tester buying guideLED, toner, screen, USB, AV or verifier, and the line that this is not BS 7671Best cable testerWho each listing is for, and who should skip itHow to use a cable testerMaster, remote, lamps and tone, and stay off live circuitsCable tester for ethernet and PoECAT6 runs and PoE cameras, without the USB or AV rowsWiremap or certifierWhen lamps are enough, and when none of these listings will do
Related comparisons
Sources
Public UK sources from the research digest. Shelf prices and star lines are the amazon.co.uk figures in the display file, checked on 20 October 2026.
- Fluke Networks: verification, qualification and certification (retrieved 20 October 2026)
- The FOA: premises testing, wiremap and split pairs (retrieved 20 October 2026)
- NHS England Digital: network cabling standards (retrieved 20 October 2026)
- HSE: electricity FAQs, competence and inspection (retrieved 20 October 2026)
- IET: BS 7671 inspection and testing FAQs (retrieved 20 October 2026)
- GOV.UK: Electrical Equipment (Safety) Regulations 2016 (retrieved 20 October 2026)
- Ethernet Alliance: PoE and PoDL standards explained (retrieved 20 October 2026)
- VCELINK: using a network tester, live-circuit warning (retrieved 20 October 2026)
Expert source (DIY & tools): Charlie White (Charlie DIYte) (external profile) – public expert commentary used as a research source, not as a contributor to our pages.
This page contains affiliate links to amazon.co.uk. If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are from the UK listings checked on 20 October 2026. We did not lab-test these cable testers.