Embedded module
Wireless communication
ZigBee type
GSM Modem		GPRS GPS
Wireless communication		GSM Modem
Device type		Embedded
Device features		Embedded
Module type		Industrial modem

Catalog Wireless communicationModemsGSM/GPRS/EDGEEmbedded modems

SIM548C

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Datasheet	Command Set	Hardware Design

SIM548C

Wireless GSM GPRS module with GPS, quad-base GSM 850/900/1800/1900MHz, Embedded modem

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Products description
Technical parameters

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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: 50mm x 33mm x 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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SIM548C

Embedded modems(20)

Software and manuals

SIM548C