Product Description

**-channel wireless call system is widely used in hotels, hospitals, restaurants, tea house, schools and so on .it can match more than *9 wireless remotes. Each remote can set up a fixed number, from 1 to *9 .when you press the red key on the wireless remotes, it’s own number will display in the call system within the sound of ring . Model：AST-A**1 name：**-channels call system working volt (V)： DC *2 basic equipment ：a host computer、a DC*2V power main function ：Call Area Display / voice prompt (recording doorbell, alarm) / volume adjustable / cycle inquiries Frequency：**5/**3.*2MHz size of host computer(mm)： **0***3**5 coding type：learning code