Hand radio phone controlling device for fire service, has micro controller plate with different analog and digital signal inputs and outputs, where push-to-talk button of hand radio phone is electronically controlled

摘要

The device has a micro controller plate with different analog and digital signal inputs and outputs, where the device is directly attached to a hand radio phone, and a push-to-talk button of the hand radio phone is electronically controlled. Different frequencies and signals are transmitted to a radio channel. External analog and digital measuring values are detected, and optical and acoustic warning signals are produced.