Description

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%