Official Online Shop | Communication Expert of Industrial IOT
Click to enlarge
Price: $11.50
Availability: In Stock
Model: USR-GPRS232-7S3
Manufacturer: USR IOT
Average Rating: Not Rated

Qty: Add to Cart
(This product has a minimum quantity of 2)
Buy via paypal Buy it now
include $25 shipping cost.

Introduction of Cost-effective UART GSM Modules 

Cost-effective UART GSM Modules USR-GPRS232-7S3 are used for data transparent transmission, which are highly-integrated UART to GSM/GPRS modules. 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 Cost-effective UART GSM Modules USR-GPRS232-7S3

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 httpsD 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 Cost-effective GSM Modules


Support PUSR Cloud

Application Field of Cost-effective 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

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
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
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)
Warranty 2 years
Accessory PCB Antenna
Write Review
Your Name:

Your Review: Note: HTML is not translated!

Rating: Bad            Good

Enter the code in the box below: