GSM is a GSM cellular modem for serial data rates of up to 115.2K bps. Compact size and quick installation provides an efficient replacement to serial cable for long distances where cellular service is available. Stand-alone modems provide efficient and low cost wireless communication for serial devices, loggers, data acquisition, and control systems. A simple setup includes a GSM modem with cellular account at the remote site/ logger and 56K dial-up phone modem at the base station connected to PC-software. For mobile-mobile applications 56K phone modem can be replaced with GSM modem. GSM modems with cellular service allow for real-time monitoring and control of remote data loggers and irrigation systems by simply dialing into cellular or land phone networks.

GSM modems are programmable using windows standard Hyperterminal, AT commands. Each GSM modem requires a SIM card, cellular phone number and wireless Circuit-switched data (CSD) service from wireless service provider.

Features FCC, Worldwide wireless network approval Quick and easy installation Circuit switched data (CSD) transparent operation AT command compatible Minimal power consumption Solar power calculator LEDs provide operational status (Power signal, Carrier detect, TX, Rx) Wide serial baud rate 1200 – 115.2K bps Very low power consumption, a 5AHr battery lasts for 33 hours while communicating and 20 days on idle

Specifications