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產品介紹
| General features • Quad-Band GSM 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 (3GPP TS 27.007 and SIMCom enhanced AT Commands) • SIM application toolkit • Supply voltage range: - GPRS: 3.2 ~ 4.8 V - V-GPS: 2.8 ~ 4.3V - VCHG: 5V • Low power consumption • Dimensions: 30*30*3.0mm • Weight: 5.3g 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 • PPP-stack • Integrated TCP/IP stack Specifications for CSD data • CSD up to 14.4 kbps • USSD • Non transparent mode Compatibility • AT cellular command interface |
Specification for GPS • Support EASYTM self-generated orbit prediction • Support EPOTM orbit prediction • Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS) • Support Jamming Removing • Integrated Low-noise amplifier • Receiver type - 33tracking/99 acquisition-channel GPS receiver • Max. update rate: 10Hz • Sensitivity1 - Tracking: -167 dBm - Reacquisition: -157 dBm - Cold starts: -148 dBm • Time-To-First-Fix1,2 - Cold start: 28s - Warm start: 26s - Hot start: <1s - EPO Assist: 13s（CTTFF) • Accuracy - Automatic Position3: <2.5m CEP - Speed4: 0.1m/s Interfaces • 80-pad with SMT type • one Interface for external SIM card :3V/ 1.8V • two analog audio interfaces • SPI interface • RTC backup • A serial interface and a debug interface for GSM/GPRS • two serial interfaces for GPS • charge input Certifications • CE |