SIEMENS(CINTERION) GSM/GPRS/EDGE MODULES: GSM/GPRS MODULE: MC37I, MC37IR3, MC52I, MC52IR3, MC55I QUAD BAND GSM/GPRS/EDGE MODULE WITH TCP/IP STACK: MC75I WAVECOM(SIERRA WIRELESS) GSM/GPRS/EDGE/MODULES: GSM/GPRS/EDGE Module GSM/GPRS QUAD BAND TCP/IP STACK: Q24PLUS, Q2686 GSM/GPRS/EDGE QUAD BAND TCP/IP STACK: Q2687 CDMA DUAL-BAND(800/1900MHZ) TCP/IP STACK: Q2438J BENQ(QISDA) GSM/GPRS MODULES: M33AG WITHOUT TCP/IP STACK M33G WITH TCP/IP STACK MOTOROLA GSM/GPRS/EDGE MODULES: QUAD-BAND GSM/GPRS MODULE WITH TCP/IP STACK: G24, G24-L 900/1800MHZ GSM/GPRS MODULE WITH TCP/IP STACK: G24 QUAD-BAND GSM/GPRS/EDGE WITH TCP/IP STACK: G24 SIMCOM MODULES: GSM/GPRS MODULE: SIM900, SIM900A, SIM900B, SIM900-TE-C GSM/GPRS/GPS MODULE: SIM908, SIM908C GSM/GPRS/EDGE MODULE: QUAD BAND WITHOUT TCP/IP STACK SIM600Z, SIM700Z,SIM700DZ 3G/HSDPA MODULE: SIM5216E 3G/HSDPA/GPS MODULE: SIM5320E HSDPA/HSUPA/GPS:SIM5218A, SIM5218E GPS MODULE: SIM18 ENFORA MODULES: GSM/GPRS QUADBAND WITH TCP/IP STACK: GSM0308 GSM/GPRS/EDGE QUAD BAND WITHOUT TCP/IP STACK : EDG0108 HUWEI GSM/GPRS MODULES WITH TCP/IP STACK: GSM/GPRS MODULE: MGM323 CDMA MODULE: MCM323.