GSM / GPRS / GPS модем SIM548

GSM/GPRS/GPS modem General features: Based on Simcom module SIM548Z SIM Application Toolkit DB9 RS232 pads for GSM/GPRS DB9 RS232 pads for GPS LED for GSM signal GSM antenna with 3-meter cable and magnetic stand GPS antenna with 3-meter cable and magnetic patch Output Power Class 42W @ 850/900MHz Class 11W @ 1800/1900MHz Input voltage12V-36V DC Input current1A-2A Standby current: 96mA Working current: 150-250mA Working temperature -20 -+55 Storage temperature:-25 -+70 Size59*50*7.5mm Weight25g Accessories: 2 transit cables, GSM antenna, GPS antenna, CDGSM/GPRS specifications:850/900/1800/1900MHzGPRS class 10GPRS mobile station class BCompliant to GSM phase 2/2+Control via AT commands (GSM 07.07 and 07.05 and SIMCOM enhanced AT commands)Specification for SMS via GSM and GPRS:Point to point MO and MTSMS cell broadcastText and PDU modeSpecifications for audioTricodec: HR, FR, EFRHands-free operationEcho suppressionSpecifications for data transferGPRS class 10Max. 85.6kbps(downlink)PBCCH supportCoding schemes CS1,2, 3, 4CSD up to 14.4kbpsUSSDNon transparent modePPP stackIntegrated TCP/IP stackSpecifications for GPS:Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023MHz chip rateAccuracy Position 10 m CEP, without SA/Velocity 0.1m/s, without SA/Time 1μs synchronized to GPS timeDGPS accuracy 1 to 5m, typical, 0.05m/s, typicalDate WGS-84Acquisition 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 skyOperating voltage 3.3V DC ±5%Low power consumption about 200mW at 3.3VProtocols SiRF binary RTCM SC-104Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5ppmMemory: On-chip 4MB FLASH and 1 MB SRAM