Número de Modelo
S275 3G/4G
Lugar del origen
Guangdong, China
Frequency
GSM 850/900/1800/1900 MHZ ;3G/4G
Temperature Humidity
1 temp and humidity input
Protocol
Modbus TCP,Modbus RTU, TCP/IP
Port
1USB+1 RS232+1 RS485 +1RJ45
Product name
used gsm gateway with 8DI 6AI 4DO sms gateway device