New Product Introduction

SIMCom SIM928A GSM/GPRS+GNSS module

SIM928A module is a compact Quad-Band GSM/GPRS-enable module base on PNX4851 platform.

SIMCom-SIM928A-product-picture

SIM928A module is a compact Quad-Band GSM/GPRS-enable module base on PNX4851 platform.

It is also equipped with GPS technology for satellite navigation. The complete design in a SMT type makes it easy to integrate GSM/GPRS&GPS as an all-in-one solution.

 

Key features

 

Additional features

General features

  • Quad-Band GSM 850/900/18001900 MHz
  • 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 @ 1800/1900 MHz)
  • Control via AT commands (3GPP TS 27.007 and SIMCom enhanced AT Commands)
  • SIM application toolkit
  • Supply voltage range:
    • GPRS: 3.2 ~ 4.8 V
    • V-GPS: 2.8 ~ 4.3 V
    • VCHG: 5 V
  • Low power consumption
  • Dimensions: 30 * 30 * 3.0 mm
  • Weight: 5.3 g

Specification for GPS

  • Support EASYTM self-generated orbit prediction
  • Support EPOTM orbit prediction
  • Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
  • Support Jamming Removing
  • Integrated Low-noise amplifier
  • Receiver type
    • 33tracking/99 acquisition-channel GPS receiver
  • Max. update rate: 10 Hz
  • Sensitivity
    • Tracking: -167 dBm
    • Reacquisition: -157 dBm
    • Cold starts: -148 dBm
  • Time-To-First-Fix1,2
    • Cold start: 28 s
    • Warm start: 26 s
    • Hot start: <1 s
    • EPO Assist: 13 s(CTTFF)
  • Accuracy
    • Automatic Position3: <2.5 m CEP
    • Speed4: 0.1 m/s

Interfaces

  • 80-pad with SMT type
  • one Interface for external SIM card: 3 V / 1.8 V
  • two analog audio interfaces
  • SPI interface
  • RTC backup
  • A serial interface and a debug interface for GSM/GPRS
  • two serial interfaces for GPS
  • charge input

 

Applications

  • Tracker
  • Health Care

 

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