HE2508 GSM MODEM is part of industrial environmental monitoring system. It sends GSM alarming messages to pre-designated phone numbers when the environmental parameters are off limits. The modem works through public GSM network and provides RS232 interface to connect to computers. It has been widely used in intelligent transportation, smart grid, industrial automation, environmental monitoring, etc.
- Adopt metal shell, protection class IP30, metal shell and system security isolation, particularly suitable for industrial control field applications.
- Wide power input (DC9V ~ 24V), power interface built-in inverting and overvoltage protection.
- RS232 / SIM interface with built-in 15KVESD protection.
- Support communication protocol, transparent data transmission, with ID transparent data transmission and configuration software protocol.
- Support auto recovery mechanism, including online detect; Auto redial when offline to make it always online.