Specifications

1.SIM548 GSM GPRS MODULE
2.Quad-Band 850/900/1800/1900MHz
3.Control via AT commands
4.SIM application tool kit

GSM/GPRS+GPS mudule
Quad-Band 850/900/1800/1900MHz
Control via AT commands
SIM application tool kit
GSM/GPRS+GPS mudule

GSM/GPRS specifications
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 @ GSM850/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#8226; Supply voltage range: 3.4V4.5V

Specifications for GPS
Receiver 20 channels, L1 1575.42MHz, C/A code 1,023MHz chip rate
Accuracy Position 10m CEP,
           without SA/Velocity 0.1m/s,
           without SA/Time 1us 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 200mW at 3.3V
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

 

GSM/GPRS+GPS mudule
Quad-Band 850/900/1800/1900MHz
Control via AT commands
SIM application tool kit

GSM/GPRS+GPS mudule

GSM/GPRS specifications
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 @ GSM850/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#8226; Supply voltage range: 3.4V4.5V

Specifications for GPS
Receiver 20 channels, L1 1575.42MHz, C/A code 1,023MHz chip rate
Accuracy Position 10m 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 200mW at 3.3V
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