Cable Testers

Uni-T UT681L Network Cable Tester RJ45 / RJ11

The UNI-T UT681L cable tester tests network and telephone cables with RJ45 and RJ11 connectors. It detects open circuits, short circuits, crossed pairs and incorrect connections, while LED indicators...

The UNI-T UT681L cable tester tests network and telephone cables with RJ45 and RJ11 connectors. It detects open circuits, short circuits, crossed pairs and incorrect connections, while LED indicators show the status of individual conductors. Tests can be run in fast or slow mode, and the device also checks Ethernet cable shielding.

It is operated with a...

See Description & Specifications See Description & Specifications
8 69 €
Delivery by Wed, 11 Nov
14,00 €   shipping cost
Sent from Greece
From OnPrice 4.9 (33)
Greece
1 piece
See Voltage / Cable Testers on the page of OnPrice

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Reviews (55)

Reviews

  1. 47
  2. 5
  3. 2
  4. 1
  5. 1 star
    0
Review this product

What do users say? AI-generated summary

Users find the tester reliable and easy to use. Its main strengths are detecting faults and showing whether the wires are correctly matched. It’s handy for checking RJ11 and RJ45 cables, even longer ones, and is considered a good value for home use. However, the power button is easy to press accidentally, and some users question whether it will hold up to repeated testing.

  • Giorgos_CHS
    5
    1 out of 1 members found this review helpful

    Verified purchase

    First time I used it to replace RJ11 sockets with RJ45 in the rooms. Without this specific tool, it is impossible to achieve the correct result. Buying it is the only way!

    Translated from Greek ·
    Did you find this review helpful?
  • George|Tria
    5
    2 out of 2 members found this review helpful

    Verified purchase

    Very good. You don't just see if all the cables are okay, you also see their correspondences. So in cases of reversed cables, you see them immediately. Very good indeed.

    Translated from Greek ·
    Did you find this review helpful?
  • panoshountis

    Verified purchase

    It does what it's supposed to do without any issues. For its price, it is reliable and particularly well-made and sturdy.

    Translated from Greek ·
    Did you find this review helpful?
  • A very good and reliable tool to make your work easy and fast. I was able to identify faulty cables that another tester couldn't detect.

    Translated from Greek ·
    Did you find this review helpful?
  • Very good for its price. It does exactly what it says without any issues. I tried it with broken cables and it actually detects the problem. It seems durable but time will tell.

    Translated from Greek ·
    Did you find this review helpful?
  • officeview2
    4
    5 out of 5 members found this review helpful

    Verified purchase

    Good value for money. Good quality plastic. The on/off button can be pressed accidentally. I added a sliding switch to it. Be careful, if you attempt to open it, you need to lift the black plastic to find the 3 screws that hold the pieces together

    Translated from Greek ·
    Did you find this review helpful?
  • psideras

    Verified purchase

    Very good construction. It does what it says. I haven't encountered any issues with unnecessary activation during storage. However, it definitely requires attention to not accidentally press the switch and drain the battery

    Translated from Greek ·
    Did you find this review helpful?
  • Patt_enda
    4
    3 out of 4 members found this review helpful

    For example, it does everything that all the others do, with the difference that the button is easily pressed. Do not put it together with other tools or in a tight pocket of the toolbox... otherwise, it will be turned on and drain the batteries.

    Translated from Greek ·
    Did you find this review helpful?
  • So far, for 3 years I have tested many cables, always successfully

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    does what it says

    Translated from Greek ·
    Did you find this review helpful?
  • it is very good and so far no problem

    Translated from Greek ·
    Did you find this review helpful?
  • Very useful and handful tool

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Very good

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Very good for its price

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    It is for amateur use, it cannot withstand many measurements.

    Translated from Greek ·
    Did you find this review helpful?
  • best device and prise

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Great for the money, it does exactly what it promises!

    Translated from Greek ·
    Did you find this review helpful?
  • It served me well in what I wanted to do.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Very reliable and economical

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Reliable in measurements and in cables of many meters

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    Excellent for its price. It also includes a 9V battery of a well-known brand

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Good for its price, works fine

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    Extremely user-friendly and reliable.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Normal price, normal capabilities. Whatever you pay, you will get

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    1 out of 1 members found this review helpful

    Cheap device that does the job for a few cables at home.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    Cheap and practical. It works with both RJ11 and RJ45.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

  • Verified purchase

  • First time I used it to replace RJ11 sockets with RJ45 in the rooms. Without this specific tool, it is impossible to achieve the correct result. Buying it is the only way!

    Translated from Greek ·
    1
  • Very good. You don't just see if all the cables are okay, you also see their correspondences. So in cases of reversed cables, you see them immediately. Very good indeed.

    Translated from Greek ·
    2
  • It does what it's supposed to do without any issues. For its price, it is reliable and particularly well-made and sturdy.

    Translated from Greek ·
    0
  • A very good and reliable tool to make your work easy and fast. I was able to identify faulty cables that another tester couldn't detect.

    Translated from Greek ·
    0
  • Very good for its price. It does exactly what it says without any issues. I tried it with broken cables and it actually detects the problem. It seems durable but time will tell.

    Translated from Greek ·
    0
  • See all

Description & Specifications

The UNI-T UT681L cable tester tests network and telephone cables with RJ45 and RJ11 connectors. It detects open circuits, short circuits, crossed pairs and incorrect connections, while LED indicators show the status of individual conductors. Tests can be run in fast or slow mode, and the device also checks Ethernet cable shielding.

It is operated with a single button. The automatic power-off function activates after 10 minutes of inactivity, and the low-battery indicator lights up when the voltage falls below 7.2 V.

  • Type: Network cable tester
  • Connectors: RJ45, RJ11
  • Test functions: Cable continuity, short circuits, open circuits, crossed pairs and incorrect connections
  • Ethernet cable shielding test: Yes
  • Test modes: Fast, slow
  • Indicators: LED1~LED8, LED_G
  • Operation: Single button
  • Automatic power-off: After 10 minutes of inactivity
  • Low-battery indicator: Below 7.2 V
  • Power supply: 9 V battery
  • Operating temperature: 0–40 °C
  • Storage temperature: -10–50 °C
  • Operating humidity: 20–80% RH
  • Storage humidity: 10–90% RH
  • Certifications: CE, UKCA
  • Package contents: Tester (transmitter and receiver), 9 V battery, user manual in English

Manufacturer

Type
Network
Socket
RJ45, RJ11
Digital
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (55)

  1. 47
  2. 5
  3. 2
  4. 1
  5. 1 star
    0
Review this product

What do users say? AI-generated summary

Users find the tester reliable and easy to use. Its main strengths are detecting faults and showing whether the wires are correctly matched. It’s handy for checking RJ11 and RJ45 cables, even longer ones, and is considered a good value for home use. However, the power button is easy to press accidentally, and some users question whether it will hold up to repeated testing.

  • Giorgos_CHS
    5
    1 out of 1 members found this review helpful

    Verified purchase

    First time I used it to replace RJ11 sockets with RJ45 in the rooms. Without this specific tool, it is impossible to achieve the correct result. Buying it is the only way!

    Translated from Greek ·
    Did you find this review helpful?
  • George|Tria
    5
    2 out of 2 members found this review helpful

    Verified purchase

    Very good. You don't just see if all the cables are okay, you also see their correspondences. So in cases of reversed cables, you see them immediately. Very good indeed.

    Translated from Greek ·
    Did you find this review helpful?
  • panoshountis

    Verified purchase

    It does what it's supposed to do without any issues. For its price, it is reliable and particularly well-made and sturdy.

    Translated from Greek ·
    Did you find this review helpful?
  • A very good and reliable tool to make your work easy and fast. I was able to identify faulty cables that another tester couldn't detect.

    Translated from Greek ·
    Did you find this review helpful?
  • Very good for its price. It does exactly what it says without any issues. I tried it with broken cables and it actually detects the problem. It seems durable but time will tell.

    Translated from Greek ·
    Did you find this review helpful?
  • officeview2
    4
    5 out of 5 members found this review helpful

    Verified purchase

    Good value for money. Good quality plastic. The on/off button can be pressed accidentally. I added a sliding switch to it. Be careful, if you attempt to open it, you need to lift the black plastic to find the 3 screws that hold the pieces together

    Translated from Greek ·
    Did you find this review helpful?
  • psideras

    Verified purchase

    Very good construction. It does what it says. I haven't encountered any issues with unnecessary activation during storage. However, it definitely requires attention to not accidentally press the switch and drain the battery

    Translated from Greek ·
    Did you find this review helpful?
  • Patt_enda
    4
    3 out of 4 members found this review helpful

    For example, it does everything that all the others do, with the difference that the button is easily pressed. Do not put it together with other tools or in a tight pocket of the toolbox... otherwise, it will be turned on and drain the batteries.

    Translated from Greek ·
    Did you find this review helpful?
  • So far, for 3 years I have tested many cables, always successfully

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    does what it says

    Translated from Greek ·
    Did you find this review helpful?
  • it is very good and so far no problem

    Translated from Greek ·
    Did you find this review helpful?
  • Very useful and handful tool

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Very good

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Very good for its price

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    It is for amateur use, it cannot withstand many measurements.

    Translated from Greek ·
    Did you find this review helpful?
  • best device and prise

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Great for the money, it does exactly what it promises!

    Translated from Greek ·
    Did you find this review helpful?
  • It served me well in what I wanted to do.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Very reliable and economical

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Reliable in measurements and in cables of many meters

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    Excellent for its price. It also includes a 9V battery of a well-known brand

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Good for its price, works fine

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    Extremely user-friendly and reliable.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    Normal price, normal capabilities. Whatever you pay, you will get

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    1 out of 1 members found this review helpful

    Cheap device that does the job for a few cables at home.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    Cheap and practical. It works with both RJ11 and RJ45.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

  • Verified purchase

  • First time I used it to replace RJ11 sockets with RJ45 in the rooms. Without this specific tool, it is impossible to achieve the correct result. Buying it is the only way!

    Translated from Greek ·
    1
  • Very good. You don't just see if all the cables are okay, you also see their correspondences. So in cases of reversed cables, you see them immediately. Very good indeed.

    Translated from Greek ·
    2
  • It does what it's supposed to do without any issues. For its price, it is reliable and particularly well-made and sturdy.

    Translated from Greek ·
    0
  • A very good and reliable tool to make your work easy and fast. I was able to identify faulty cables that another tester couldn't detect.

    Translated from Greek ·
    0
  • Very good for its price. It does exactly what it says without any issues. I tried it with broken cables and it actually detects the problem. It seems durable but time will tell.

    Translated from Greek ·
    0
  • See all
8,69 €
14,00 €   shipping cost