The OnCell G2111/G2151I series of industrial quad-band GSM/GPRS modems are designed to transmit data and SMS messages over GSM/GPRS mobile networks. The OnCell G2111/G2151I can be DIN-Rail or wall mounted, they have a 12 to 48VDC power input and the serial ports feature 15 kV ESD line protection.
The G2111 is a 1-port RS-232 to GSM/GPRS modem, -20 to 55°C operating temperature.
The G2111-T is a 1-port RS-232 to GSM/GPRS modem, -25 to 70°C operating temperature.
The G21151I is a 1-port RS232/422/485 to GSM/GPRS modem with 2.5kV optical isolation, -20 to 55°C operating temperature.