Cable testers

NOYAFA NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft) vs Tolesum multifunction RJ45 tester with an LCD screen, PoE checking and a torch

Length measurement and a stated battery, or a remote unit in the box?

Both are multifunction testers with an LCD, wire map and PoE detection. The NOYAFA NF-8508 takes RJ45 and RJ11, reports length from 2.5 to 200 m (8 to 656 ft), names cable tracing and runs on a built-in 1,500 mAh lithium-ion pack charged over USB-C. The Tolesum takes RJ45, includes one remote unit and a torch, and does not state its power source.

NOYAFA NF-8508 network cable tester with a large LCD screen and an optical power meter

NOYAFA NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft)

8.4/10

Wins 4 of 9

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Tolesum multifunction RJ45 cable tester with an LCD screen and a remote interface

Tolesum multifunction RJ45 tester with an LCD screen, PoE checking and a torch

7.8/10

Wins 1 of 9

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Port against port

Compared on	NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft)	multifunction RJ45 tester with an LCD screen, PoE checking and a torch
Tester type	A multifunction tester with a large LCD	A multifunction tester with an LCD screen
Connector types accepted	RJ45 and RJ11	RJ45
Wire map detection	Yes	Yes
Split pair detection	Not published	Not published
Length reporting	Yes, from 2.5 to 200 meters (8 to 656 ft)	Not published
Tone and probe function	Cable tracing is named	Named as a function without a named part
Remote units supplied	Not published	One
PoE detection	Yes	Yes
Power source	A built-in 1500 mAh lithium-ion pack at 3.7 V charged over USB Type-C	Not published
On Amazon.com, October 26, 2026	Listed, no current offer	Listed, no current offer

A tick means one listing published something the other did not, or published a better figure. It does not mean the product is better, and the column is not a score out of anything: a maker who says less loses lines here without losing a comparison. The two verdicts below are where the page is settled.

Which of the two, for which household

NOYAFA NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft)

No Amazon.com offer for the NOYAFA NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft) on October 26, 2026: it may not be buyable in the United States, which is the first thing to weigh against anything below.

The NF-8508 is the more complete instrument: length measurement finds where a cable breaks, and the rechargeable pack is stated with its capacity. Neither page states whether split pairs are detected.

Tolesum multifunction RJ45 tester with an LCD screen, PoE checking and a torch

No Amazon.com offer for the Tolesum multifunction RJ45 tester with an LCD screen, PoE checking and a torch on October 26, 2026: it may not be buyable in the United States, which is the first thing to weigh against anything below.

The Tolesum states a remote unit in the box, which tests a cable already pulled through a wall. Its power source is not stated.

The questions that come up before an order

Why does length reporting matter?

It tells you how far along a cable a fault is, which is the difference between replacing a plug and pulling the whole run.

Does either detect split pairs?

Neither page says. A split pair passes a simple wire map and fails at speed, so it is worth asking.

Each one, in detail

Network cable testers

NOYAFA NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft)

multifunction tester with a large LCD · RJ45 and RJ11 · length from 2.5 to 200 m (8 to 656 ft) · PoE to 60 V DC · optical power meter and visual fault locator · wire mapping · 1500 mAh pack charged over Type-C

One of three units here that report a distance, and the first to pair 2.5 to 200 meters (8 to 656 ft) with an optical power meter, a visual fault locator and a PoE check on a rechargeable pack.

Best for: Work across a building where a fault has to be located along a run rather than merely found, and where fiber and copper both turn up in the same day.

8.4/10

No Amazon.com offer on October 26, 2026

Check price on Amazon Read the review: NOYAFA NF-8508, nine-function tester reporting length from 2.5 to 200 meters (8 to 656 ft)
Network cable testers

Tolesum multifunction RJ45 tester with an LCD screen, PoE checking and a torch

multifunction tester with an LCD · RJ45 · Cat 5e, Cat 6 and Cat 6a · PoE to af and at, withstands 60 V DC · loopback · cable tracing named · carrying case · cells not supplied

A screen-based tester that checks power on a live socket, measures the voltage and current a device draws, and reports faults on an LCD rather than on a row of lights.

Best for: A network with cameras or access points fed over their network cables, where the question is usually about power rather than about continuity.

7.8/10

No Amazon.com offer on October 26, 2026

Check price on Amazon Read the review: Tolesum multifunction RJ45 tester with an LCD screen, PoE checking and a torch

Every price named in a summary was read on the date that review carries. What a shop asks today is shown beside the product, and it moves.