GSM controller realizes wireless remote communication among remote computer, automatic control system and user terminal through the information platform of mobile communication network
Technical parameters of GSM controller PCBA
Power supply: DC12V
Static current: ≤ 70mA
Alarm current: ≤ 500mA
Wireless receiving frequency: 315MHz ± 0.5MHz
Oscillation resistance 4.7
Wireless reception sensitivity: 5mV/m
Anti-interference intensity: 1V/m (frequency range 20-1000 MHZ)
GSM frequency: 900/1800MHz
External alarm horn sound intensity: 110db
Working environment: temperature - 10 ℃~+40 ℃
Relative humidity: ≤ 90%
