Part no.: S2-10219-E0J05
Manufacturer: SIMCom

Availability: In Stock

The SIMCom SIM548C is a compact and versatile wireless module that offers reliable connectivity for various IoT applications. It supports a wide range of wireless bands and network standards, ensuring compatibility with networks worldwide.

Supported wireless bands include GSM/GPRS/EDGE (850/900/1800/1900MHz) and WCDMA/HSPA (850/1900/2100MHz), enabling seamless communication across different regions. The module also supports network standards such as TCP/IP, HTTP, FTP, and SSL, ensuring secure and efficient data transmission.

Key features of the SIMCom SIM548C include:

1. Quad-Band Connectivity: With support for four GSM bands, the module ensures global coverage and reliable connectivity.

2. High-Speed Data Transmission: The SIM548C supports EDGE and HSPA, offering fast and efficient data transfer for demanding IoT applications.

3. Embedded TCP/IP Stack: The module features an embedded TCP/IP stack, allowing seamless integration with IoT platforms and cloud services.

4. Compact Design: The SIM548C's compact form factor makes it ideal for space-constrained applications, enabling easy integration into a wide range of devices.

5. Extended Temperature Range: Designed to withstand harsh operating conditions, the module operates reliably within a wide temperature range, ensuring performance in demanding environments.

Overall, the SIMCom SIM548C is a robust and feature-rich wireless module that provides reliable connectivity, high-speed data transmission, and seamless integration for IoT applications.

Physical interfaces

  • Overall dimensions: 55*33*8.2mm
  • Weight: approx.16.5g
  • Normal operation temperature:
    -30 °C to +80°C

GSM / GPRS specification

  • Quad-Band 850/900/18001900MHz
  • GPRS multi-slot class 10
  • GPRS mobile station class B
  • Compliant to GSM phase 2/2+
    – Class 4 (2 W @ 850/900 MHz)
    – Class 1 (1 W @ 1800/1900MHz)
  • Control via AT commands (GSM
    07.07 ,07.05 and SIMCOM enhanced AT
  • SIM application toolkit
  • Supply voltage range 3.4 ... 4.5 V
  • Low power consumption

Specification for SMS

  • Point-to-point MO and MT
  • SMS cell broadcast
  • Text and PDU mode

Specification for Audio

  • Tricodec
    – Half rate (HR)
    – Full rate (FR)
    – Enhanced Full rate (EFR)
  • Hands-free operation
  • Echo cancellation

Specification for Data transfer

  • GPRS class 8/10: max. 85.6 kbps (downlink)
  • PBCCH support
  • Coding schemes CS 1, 2, 3, 4
  • CSD up to 14.4 kbps
  • USSD
  • Non transparent mode
  • PPP-stack
  • Integrated TCP/IP stack

Specification for Fax

  • Group 3, class 1


  • 60-pin DIP connector
  • Multiplexer
  • Interface to external SIM 3V/ 1.8V
  • Dual analog audio interfaces
  • AT commands via GSM/GPRS serial interface
  • Embedded SIM card holder
  • LCD interface
  • RTC backup
  • Charge interface
  • A serial interface and a debug interface for GSM/GPRS
  • Dual serial interface for GPS
  • Two separate antenna connectors for GSM/GPRS&GPS, and two antenna pads for GSM/GPRS&GPS


  • AT cellular command interface

Specification for GPS

  • Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023 MHz chip rate
  • Accuracy Position 10m CEP
    without SA/Velocity 0.1m/s,
    without SA/Time 1μs synchronized to GPS time
  • 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
  • Support AGPS
  • Operating voltage 3.3V DC ±5%
  • Low power consumption about 200mW at 3.3V
  • Protocols
    SiRF binary
    RTCM SC-104
  • Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5ppm
  • Memory: 4 Mb flash and 1Mb SRAM

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Part no.: S2-10219-E0J05
Manufacturer: SIMCom

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