UART TTL GPRS/GSM Module

UART TTL GPRS/GSM Module

Model: USR-GPRS232-7S3

USR-GPRS232-7S3 is a Low Cost UART TTL GPRS/GSM Module, based on USR-GM3 gprs module. Clients can use the product to realize bidirectional transparent transmission from serial port to network through simple AT command. Features of Low Cost Gsm Modules
  • PIN Type
  • Operation temperature Range of -25° ~85°
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz

UART TTL GPRS/GSM Module

General Details

Introduction of Low Cost Gsm Modules

The Low Cost Gsm Modules, used for data transparent transmission. USR-GPRS232-7S3 is highly-integrated UART to GSM/GPRS module. Users can easily make communication with it among serial device, cellphone and network device. USR-GPRS232-7S3 is based on USR-GM3 gprs module. Clients can use the product to realize bidirectional transparent transmission from serial port to network through simple AT command.

Features of Low Cost Gsm Modules

  • Support GSM850/900,DCS1800/1900
  • Support GSM/GPRS and 2G/3G/4G card, but don’t support 3G/4G network
  • Support 2 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 multi 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

Function Structure of Low Cost Gsm Modules

Function Structure of Low Cost Gsm Modules

Application Field of Low Cost Gsm Modules

Application Field of Low Cost Gsm Modules

 

  • Power industry: power remote meter reading, substation monitoring, power line monitoring
  • Municipal industry: street lamp remote monitoring management, pipe network remote monitoring, urban energy consumption monitoring
  • Oil industry: remote monitoring of oil-gas well, GPRS remote oilfield automation detection monitoring system, Gas pipe network monitoring system solutions
  • Environmental protection industry: pollution sources monitoring, atmospheric environment monitoring, noise monitoring, dust monitoring
  • Agricultural application: greenhouse remote monitoring and management, aquaculture monitoring management, agricultural water pump monitoring management

Images of Low Cost Gsm Modules

Low Cost Gsm 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
Network Protocol TCP, UDP, DNS,Http
Network Link Count 2
Network Buffer Send: 4K bytes, receive: 4K bytes
Serial  
Port Number 1
Interface Standard TTL: 2.54 pin type 2.8 ~ 3.6 V
Data Bits 5, 6, 7, 8
Stop Bit 1, 2
Check Bit None, Even, Odd
Baud Rate 2400 bps ~ 921600 bps
Flow Control CTS/RTS
Buffer Receive and send 4K bytes respectively
Device Interface  
Antenna Interface IPEX
SIM Card 1.8V / 3V
Speech Interface 1 MIC input, 1 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 44.5 x 32 x 13(mm)
Operating Temp. -25 ~ 85°C
Storage Temp. -40 ~ 125°C, 5 ~ 95% RH(no condensation)
Input Voltage DC 5 ~ 16 V
Working Current Average: 35 ~ 48mA, max: 394mA(12v)
More  
Warranty 2 years
Accessory PCB Antenna

How to Buy

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