Specification :

The GSM wireless transceiver uses the flat roof of GSM mobile communication network. You can resolve the difficult problem about wireless communication by owning the machine and a SIM card. It can be used as fixed-line telephone or car phone to avoid radiation.

1) Operating voltage: AC 220V+ / -10% 50Hz ( auto switch)

2) Output: DC 12V -30V1A

3) Operating frequency: 900MHz/ 1800MHz 4) Environment temperature: -10 ~ + 45C

5) Environment humidity: 10% ~ 95%

6) Environment noise: