Breathable Sim908 Gsm/gprs+gps Module

SIM908 GSM/GPRS+GPS module SIM908 module is a complete Quad-Band  GSM/GPRS module which combines GPS technology for satellite navigation. The compact design which integrated GPRS and GPS in a SMT package will  significantly save both time and costs  for customers to develop GPS enabled applications.Featuring an industry-standard interface and GPS function, it allows variable assets to be tracked seamlessly at any location and anytime with signal coverage.General featuresQuad-Band 850/900/18001900MHzGPRS multi-slot class 10GPRS mobile station class BCompliant 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 toolkitSupply voltage range:  -GPRS: 3.2 ~ 4.8 V  -GPS: 3.0 ~ 4.5VLow power consumptionDimensions: 30*30*3.2mmWeight:  - SIM908:5.2g  - SIM908-C:11.1gOperation temperature:  -40 C to +85 CSpecifications for SMS via GSM / GPRSPoint-to-point MO and MTSMS cell broadcastText and PDU mode Specifications for audioTricodec  - Half rate (HR)  - Full rate (FR)  - Enhanced Full rate (EFR)Hands-free operationEcho cancellation Specifications for data transferGPRS class 8/10: max. 85.6 kbps (downlink)PBCCH supportCoding schemes CS 1, 2, 3, 4CSD up to 14.4 kbpsUSSDNon transparent modePPP-stackIntegrated TCP/IP stack CompatibilityAT cellular command interface Specification for GPSReceiver type  - 42-channel  - GPS L1 C/A code,  - High-performance STE engine Sensitivity  - Tracking:   -160 dBm  - Cold starts :           -143 dBmTime-To-First-Fix    - Cold starts:           30s (typ.)   - Hot starts:   1s (typ.)Accuracy  -Horizontal position : <2.5m CEPPower consumption (GSM engine in idle mode)  - Acquisition           77mA  - Tracking   76mAInterfaces80-pad with SMT typeInterface to external SIM 3V/ 1.8V Dual analog audio interfacesSPI interfaceRTC backupCharge interfaceA serial interface and a debug interface for  GSM/GPRSDebug interface for GPS NMEA information outputTwo separate antenna connectors for GSM/GPRS&GPS CertificationsCEROHS