BSIDE FWT21 Network Cable Tester Telephone Wire Checker Tag-Home key & Side Key Net weight: 44g

Net weight: 44g

The meticulous and small round hole texture greatly increases the friction coefficient and is not easy to slip off

Smooth damping technology

Output: USB Red: DC 4

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BSIDE FWT21 Network Cable Tester Telephone Wire Checker Tag-Home key & Side Key Net weight: 44g1. Audio signal: 1. 5kHZ 2. Receiving frequency range: 100HZ 300kHZ 3. Battery supply: 9V(6F22) x 2 (shipping does not include) 4. Can be used for a variety of cable line installation, inspection and maintenance, convenient for daily life 5. Can be used to determine whether the cable line continuous tracking cable line 6. Determine the location of the line break receiving cable lines (telephone lines) in the audio signal to determine the state of the