This is a GPRS Edge extension board for any Olimex board with a 'UEXT' port. The 'Edge' format means that you get faster data rates (2.5G not 3G). The board allows target development board to send and receive data through the internet, make voice calls and send SMS messages

• MOD-GSM-EDGE allow every OLIMEX's board with UEXT connector to have GSM 4 band 850/900/1800/1900 MHz connectivity
• data throughput up to 236 Kbps in Edge mode
• uses SIM700D GSM module
• PCB: FR-4, 1.5 mm (0,062"), soldermask, white silkscreen component print
• Dimensions: 79x59 mm (3.12 x 2.3")

• MOD-GSM-EDGE.pdf - user manual
• SIM700D AT commands

• MOD-GSM-EDGE board schematic

• EW-ARM Demo code for MOD-GSM and MOD-GSM-EDGE (high speed) GSM modules connected to STM32-LCD