GSM GPRS Module with GPS

GSM GPRS Module with GPS

Model: USR-GM3P

USR-GM3P is highly-integrated GSM GPS GPRS Module. Users can easily make communication with it among serial device, cellphone and network device.
  • Transparent transmission between serial and GPRS / GSM
  • Embedded GPS and LBS Positioning
  • Support UDC Protocol
  • Support GSM 850/900,DCS1800/1900 MHz
  • Support 4 sockets, Support TCP and UDP

GSM GPRS Module with GPS

General Details

Introduction of Low Power GPRS Modules

This is a serial uart to GSM / GPRS module with embedded GPS and LBS Positioning function. It is used for data transparent transmission. USR-GM3P is highly-integrated UART to GSM/GPRS and GPS module. Users can easily make communication with it among serial device, cellphone and network device. USR-GM3P is designed for embedded system, and it is so small and convenient that you can integrate it to your system easily.

GM3P (1)-01

Features of Low Power GPRS Modules

  • Transparent transmission between serial and GPRS / GSM
  • Embedded GPS and LBS Positioning
  • Support UDC Protocol
  • Support GSM 850/900,DCS1800/1900 MHz
  • Support 4 sockets, Support TCP and UDP
  • 4KB cache for each of sockets, user can choose to cache data or not
  • Support register packet and heartbeat packet
  • Support setting parameters via SMS message
  • Support 3 work modes: SMS transmission mode, network transmission mode and HTTPD mode
  • Support basic and extend AT command sets
  • Support class RFC2217, can dynamically modify serial parameter of module via network
  • Support flow control: RTS/CTS

Structure of Low Power GPRS Modules

GM3_structure

Unique Features of Low Power GPRS Modules

Application Field of Low Power GPRS Modules

Image of Low Power GPRS Modules

Specifications

Network  
Standard GSM / GPRS
Rate 14.4 Kbps ~ 57.6 Kbps
Standard Frequency Range 850/900/1800/1900MHz
GPRS Multi-slot Class GPRS Class 10
GPRS Terminal Device Class Class B
GPRS Coding Schemes CS1 ~ CS4
Max Launch Power GSM900 class4 (2W), DCS1800 class1 (1W)
Application GSM standard AT instruction set / USR extension AT instruction set / data transmission / SMS transmission / HTTPD
Network Protocol TCP,UDP,DNS,Http
Network Buffer Send: 4K bytes, receive: 4K bytes
Serial  
Port Number 1
Interface Standard TTL: SMT 2.8 ~ 3.6 V
Data Bits 7,8
Stop Bit 1,2
Check Bit None,Even,Odd
Baud Rate 2400 bps ~ 921600 bps
Flow Control CTS/RTS
Buffer Send and receive 4k bytes respectively
Device Interface  
SIM Card 1.8V / 3V
Speech Interface 1 channel MIC input, 1 channel SPEAK output
Software  
Virtual Serial(USR-VCOM) Windows 2000 or higher(32 bit/64 bit)
Configuration Serial AT command, sms AT command, network AT command
Basic Parameter  
Size 27.9 x 24 x 3 mm
Operating Temp. -25 ~ 85°C
Storage Temp. -40 ~ 125°C, 5 ~ 95% RH(no condensation)
Input Voltage DC 3.4 ~ 4.2V, recommend: 3.8V
Working Current Average: 55 ~ 90mA; Max: 750mA
More  
Warranty 2 years
Accessory null

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