Yiwu Yidun E-commerce Firm
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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: <600LBA
7)SIM card match with the machine: DC 5V