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GSM/GPRS+GPS Module(SIM508/548)
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SIM508/548
SIM508/548 module is a Tri-Band/Quad-Band GSM/GPRS-enabled
module that is also equipped with GPS technology for satellite
navigation.
The combination of both technologies can fit almost all the space
requirement in your application, such as PDA phone, GPS hand-held
device and other mobile device, it allows vehicles and people to be
tracked seamlessly at any location and anytime.
-Physical features
-Overall dimensions: 34mm x 55mm x 3 mm
-Weight: approx.:12 g
-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 GSM.GPRS
850/900/1800/1900 MHz
-GPRS multi-slot class 10/8
-GPRS mobile station class B
-Compliant to GSM phase 2/2+
-Class 4(2W @ GSM900MHz)
-Class 1(1W @ GSM1800/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 1575.42 MHz, C/A code 1,023MHz chip rate
-Accuracy Position 10 m CEP
without SA/Velocity 0.1m/s
without SA/Time 1¦Ìs 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 ¡À5%
-Low power consumption about 160mW at 3.3 V(Full power)
-Protocols
NMEA-0183
SiRF binary
RTCM SC-104
Crystal oscillator (TCXO), temperature compensated with frequency
stability of ¡À0.5ppm
Memory: On-chip 4Mbit FLASH and 1Mbit SRAM
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