SIM548C SIMCOM GSM/减贫战略的+GPS模块

Total soultion for GSM/GPRS+GPS application Featuring an industry-standard interface and GPS function, the combination of both technologies allows goods, vehicles and people to be tracked seamlessly at any location and anytime with signal coverage. SIM548C The GSM/GPRS+GPS Module for Satellite Navigation 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 3.4 ... 4.5 V Low power consumption Normal operation temperature(C): -30 to +80 Restricted operation temperature(C):-40 to -30 and +80 to +85 Storage temperature(C):-45 to +90 Dimensions: 55*33*8.2mm Interfaces 60-pin DIP connector, Multiplexer, Interface to external SIM 3V/ 1.8V Dual analog audio interfaces, AT commands via GSM/GPRS serial interface, Embedded SIM card holder, LCD interface, RTC backup, Charge interface, A serial interface and a debug interface for GSM/GPRS Dual serial interface for GPS Two separate antenna connectors for GSM/GPRS&GPS, and two antenna pads for GSM/GPRS&GPS Compatibility AT cellular command interface Specifications for SMS via GSM / GPRS Specification for GPS 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 Specifications for fax Group 3, class 1 GPS part: Receiver 20 channels, L1 1575.42 MHz,C/A code 1,023 MHz chip rate Accuracy Position 10m CEP without SA/Velocity 0.1m/s, without SA/Time 1μs synchronized to GPS time Date WGS-84 Acquisition rate (TTFF defined at 95% of first position local station) Hot start<1s, average, open sky Warm start<38s, average, open sky Cold start<42s, average, open sky Support AGPS Operating voltage 3.3V DC ±5% Low power consumption about 200mW at 3.3V Protocols NMEA-0183 SiRF binary RTCM SC-104 Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5ppm Memory: 4 Mb flash and 1Mb SRAM Accessorie: 60pin connector options Active GPS GPS antenna GSM atnennasU.FL to SMA RF cable SIM card holder