SIMCOM SIM508/548 module

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Physical features: Overall dimensions: 34mm x 55mm x 3.0mm Weight: approx.12g Normal operation temperature: -20°C to +55°C Restricted operation temperature: -30°C to -20°C and +55°C to +80°C Storage temperature: -40°C to +85°C GSM/GPRS specifications: Tri-Band 900/1800/1900MHz or Quad-Band 850/900/1800/1900MHz GPRS multi-slot class 10/8 GPRS mobile station class B Compliant to GSM phase 2/2+ -Class 4(2W @ GSM 900MHz) -Class 1(1W @ GSM 1800/GSM1900MHz) 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: 3.4V - 4.5V Specifications for GPS: Receiver 20 channels, L1 1575.42MHz, C/A code 1,023MHz chip rate Accuracy Position 10 m CEP without SA/Velocity 0.1m/s without SA/Time 1μs synchronized to GPS time DGPS accuracy 1 to 5m, typical, 0.05m/s, typical 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 Operating voltage 3.3V DC ±5% Low power consumption about 160mW at 3.3V (Full power) Protocols NMEA-0183 SiRF binary RTCM SC-104 Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5ppm Memory: On-chip 4Mbit FLASH and 1Mbit SRAM

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Haoze technology.Ltd

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