SIMCOM SIM508c/548c module

Physical features:
Overall dimensions: 50mm x 33mm x 6.2mm
Normal operation temperature:
-30¯C to +70¯C
Restricted operation temperature:
-35¯C to -30¯C and +70¯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 12 channels, L1 1575.42MHz, C/A code 1,023MHz chip rate
Accuracy Position2.5 m CEP
without SA/Velocity 0.1m/s
without SA/Time 1îs synchronized to GPS time
•Position with BGPS/SBAS:2.0CEP
•Date WGS-84
? Acquisition rate (TTFF defined at 95% of first position local station)
Hot start < 1s, average, open sky
Warm start < 35s, average, open sky
Cold start <35s, average, open sky
Support AGPS
•Operating voltage 3.3V DC ¡ã5%
•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 ¡ã0.5ppm
•Memory: On-chip 4Mbit FLASH and 1Mbit SRAM