Telephone tester 52062073 Tempo Communications TM-500i

Ergonomically shaped test telephone for the installation and maintenance of voice service on analog lines. The device works without batteries (supply via the telephone line) with a high-impedance monitor data and DSL-safe. Polarity test, speed dial and pulse dialling belong to the scope of services. The supplied headphone is hands-free. The TM-500 offers security by overvoltage and overcurrent display.This text is machine translated.

Price: 224.99 from Conrad Electronic