HDB-1 Vehicle Telephone
HDB-1 vehicle telephone’s dial-up, ringing and call functions are all using the integrated circuit design, it has highly and stable performance. By using the electromagnetic transmitter & receiver, this telephone is much more durable. It has good quality and small dimensions with better earthquake-resistance performance and can be hanging or flatting.installation They are suitable for all kinds of vehicle communication, others are also a choice.
Specifications
Working temperature: -20 ~ +50 ℃
Relative humidity: 45 ~ 95%
Atmospheric pressure: 86 ~ 106 kpa
Environmental noise: no more than 65 db (A)
Feed voltage: 24 ~ 48 v
Feeding current: 18 ~ 80 ma
Ringing impedance: more than 3k?
Size: 236 mm x 72 mm x 82 mm
Weight: 1.35 kg