MCI Electronics GM862 Cellular Modem Shield
Photo credits: unknown
Shield URL: GM862 Cellular Modem Shield
Tags: gsm, gps, sms, phone, gprs
Maker: MCI Electronics
Supports either the GM862 or GM862-GPS quad-band cellular modem module. Allows the Arduino to make phone calls, send SMS text messages, and send data via GPRS.
Open Source: No, not OSHW-compliant
License: Proprietary / closed source
License Note: Schematic is provided but there is no license specified and no PCB source files.
Uses also the reset line.