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Byte Brothers LAN Tester

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Byte Brothers
1 Year Warranty
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Tools of the Trade

Byte Brothers has been manufacturing high-quality award-winning testing equipment for years.  With the discerning professional in mind, their goal is to combine functionality with affordability and ensure reliable on-site testing. The TVR-LAN tester is a must-have for any networking or IT professional, easily replacing up to 7 different tools for streamlined diagnostics. This two-piece kit includes a main unit and a remote probe as well as all the batteries you will need so you can begin testing right out of the box. A rugged easy-to-read and easy-to-handle design makes this TVR10/100/1000 simple to use in even less than ideal circumstances.

Check Please

Using a series of RJ-45 jacks and LED lights, this handy tool can help troubleshoot an endless number of potential issues including faulty wiring, switches, or computers. Key tests include determining advertised and negotiated LAN speeds for a PC or switch and verifying whether a straight or crossover cable is needed. The main unit can also show whether a half or duplex connection is present and even if a device is configured as a PC, a hub, or both.

The small, portable remote probe included in this kit doubles your functionality. When used as a toner, you can easily trace the location or port of a given cable. The probe also includes an RJ-45 jack so you can plug in any cable you find to test connectivity back to the main unit or check whether the cable is wired as a straight connection or a crossover. LED lights on the remote probe show you what type of wire it is and diagnoses problems by the individual pair. Byte Brothers also knows dependability is essential in any professional tool which is why this durable LAN tester comes with a one-year manufacturer warranty.


  • Combines up to 7 different LAN testers in one
  • Verifies PC and hub or switch speed capabilities and duplex
  • Indicates straight or crossover wire configurations
  • Locates miswired or missing cables
  • Checks data transmission and communication
  • Remote probe for tracing and testing cables included
  • Comes with batteries and a protective pouch


  • Network Supported: Twisted-pair
  • Compliance: CE approved
  • Connectors: (4) RJ-45 jacks on tester, (1) RJ-45 jacks on probe
  • Indicators: Tester- (15) LEDs; Remote Unit- (4) LEDs
  • Operating Temperature: 32 to 122°F (0 to 50°C);
  • Storage Temperature: 14 to 131°F (-10 to +55°C)
  • Humidity: 10 to 90% relative (noncondensing)
  • Power: (2) 9-V alkaline batteries (included)
  • Tester Dimensions: 5.5"H x 3.3"W x 1"D (14 x 8.4 x 2.5 cm);
  • Remote Unit Dimensions: 7"H x 1"W x 0.8"D (17.8 x 2.5 x 2 cm)
  • Weight: 0.5 lb. (0.2 kg)

Package Contents

    • (1) Main unit
    • (1) Remote probe unit
    • (2) 9-V batteries
    • (2) RJ-45-to-RJ-45 jumpers
    • (1) Protective carrying pouch
    • (1) User manual
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