высокое качество sim548C (GSM / GPRS + GPSmodule) 3.4-4.5v

SIM548C module is a compact Quad-Band GSM/GPRS-enabled module that is also equipped with GPS technology for satellite navigation. The compact design of the SIM548C makes it easy to integrate GSM/GPRS & GPS as an all-in-one solution. You will save significantly both time and cost for the integration of additional hardware components. Featuring an industry-standard interface and GPS function, the combination of both technologies allows valuable asset to be tracked at any location and anytime with signal coverage. General features • Quad-Band GSM 850/900/1800/1900MHz • GPRS multi-slot class 10 • GPRS mobile station class B • Compliant to GSM phase 2/2+ - Class 4(2W @ GSM850/900MHz) - Class 1(1W @ GSM1800/1900MHz) • Control via AT commands (GSM 07.07 and 07.05 and SIMCom enhanced AT commands) • SIM application tool kit • Low power consumption • Supply voltage range 3.4…4.5 V • Normal operation temperature: -30°C to +80°C • Restricted operation temperature: -40°C to -30°C and +80°C to +85°C • Storage temperature: -45°C to +90°C • Dimension: 50mm x 33mm x 8.8mm Specifications for GPS • Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023 MHz chip rate • Accuracy Position 2.5 m CEP –without SA/Velocity 0.1 m/s, –without SA/Time 1 μs synchronized to GPS time • Position with DGPS/SBAS: 2.0 CEP • Date WGS-84 • Acquisition rate (TTFF defined at 95% of first position local station) – Hot start < 1 s, average, open sky – Warm start: 35 s, average, open sky – Cold start: 35 s, average, open sky • Support AGPS • Operating voltage 3.3 V DC ±5% • Low power consumption 160mW at 3.3 V (full power) • Protocols – NMEA-0183 – SiRF binary – RTCM SC-104 • Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5 ppm • Memory 4 Mb flash and 1Mb SRAM Interfaces • 60-pin DIP connector • Interface to external SIM 3V or 1.8V • Dual analog audio interface • AT commands via serial interface • Embedded SIM card holder • LCD Interface • RTC Backup • Charge interface • Serial interface and Debug interface • Dual serial interfaces for GPS • Two separate antenna connectors for GSM/GPRS & GPS and two antenna pads for GSM/GPRS & GPS