供应GSM/GPRS+GPS二合一模块Simcom SIM908

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 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/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

Specification for GPS Receiver type - 42-channel - GPS L1 C/A code, - High-performance STE engine Sensitivity - Tracking: - Cold starts : Time-To-First-Fix - Cold starts: - Hot starts: -160 dBm -143 dBm 30s (typ.) 1s (typ.) Accuracy -Horizontal position :