Product Description
SIM548C module is a compact Quad-Band GSM/GPRS-enabled module that is also equipped with GPS technology for satellite navigation. The compact design of the SIM548C makes it easy to integrate GSM/GPRS & GPS as an all-in-one solution. You will save significantly both time and cost for the integration of additional hardware components.
Featuring an industry-standard interface and GPS function, the combination of both technologies allows valuable asset to be tracked seamlessly at any location and anytime with signal coverage.
General features
- Quad-Band GSM 850/900/1800/1900MHz
- GPRS multi-slot class 10
- GPRS mobile station class B
- Compliant to GSM phase 2/2+
- Class 4(2W @ GSM850/900MHz)
- Class 1(1W @ GSM1800/1900MHz)
- 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 3.4…4.5 V
- Normal operation temperature: -30°C to +80°C
- Restricted operation temperature: -40°C to -30°C and +80°C to +85°C
- Storage temperature: -45°C to +90°C
- Dimension: 50*33*8.8mm
Specifications for GPS
- Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023 MHz chip rate
- Accuracy Position 2.5 m CEP
–without SA/Velocity 0.1 m/s,
–without SA/Time 1 μs synchronized to GPS time
- Position with DGPS/SBAS: 2.0 CEP
- Date WGS-84
- Acquisition rate (TTFF defined at 95% of first position local station)
– Hot start < 1 s, average, open sky
– Warm start: 35 s, average, open sky
– Cold start: 35 s, average, open sky
- Support AGPS
- Operating voltage 3.3 V DC ±5%
- Low power consumption 160mW at 3.3 V (full power)
- Protocols
– NMEA-0183
– SiRF binary
– RTCM SC-104
- Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5 ppm
- Memory 4 Mb flash and 1Mb SRAM
Interfaces
- 60-pin DIP connector
- Interface to external SIM 3V or 1.8V
- Dual analog audio interface
- AT commands via serial interface
- Embedded SIM card holder
- LCD Interface
- RTC Backup
- Charge interface
- Serial interface and Debug interface
- Dual serial interfaces for GPS
- Two separate antenna connectors for GSM/GPRS & GPS and two antenna pads for GSM/GPRS & GPS
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