Sim908 GSM GPRS+GPS module

Sim908 module General features •quad-band 850/900/18001900mhz •gprs multi-slot class 10 •gprs mobile station class b •compliant to gsm phase 2/2+ - class 4 (2 w @ 850/900 mhz) - class 1 (1 w @ 1800/1900mhz) •control via at commands (gsm 07.07 , 07.05 and simcom enhanced at commands) •sim application toolkit •supply voltage range: -gprs: 3.2 ~ 4.8 v -gps: 3.0 ~ 4.5v •low power consumption •dimensions: 30*30*3.2mm •weight: - sim908:5.2g - sim908-c:11.1g •operation temperature: -40 °c to +85 °c Specifications for sms via gsm / gprs •point-to-point mo and mt •sms cell broadcast •text and pdu mode Specifications for audio •tricodec - half rate (hr) - full rate (fr) - enhanced full rate (efr) •hands-free operation •echo cancellation Specifications for data transfer •gprs class 8/10: max. 85.6 kbps (downlink) •pbcch support •coding schemes cs 1, 2, 3, 4 •csd up to 14.4 kbps •ussd •non transparent mode •ppp-stack •integrated tcp/ip stack Compatibility •at cellular command interface Specification for gps •receiver type - 42-channel - gps l1 c/a code, - high-performance ste engine •sensitivity - tracking: -160 dbm - cold starts : -143 dbm •time-to-first-fix - cold starts: 30s (typ.) - hot starts: 1s (typ.) Dimensions: 30*30*3.2mm