Module GPRS | UART GSM Modules

Module GPRS | UART GSM Modules

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  • Model:
  • USR-GPRS232-7S3
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Product Name:Module GPRS | UART GSM Modules

  • Model:USR-GPRS232-7S3

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

Function Structure of Low Cost 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

Application Field of Low Cost Gsm Modules

Network
StandardGSM / GPRS
Rate14.4 Kbps ~ 57.6 Kbps
Standard Frequency Range850/900/1800/1900MHz
GPRS Multi-slot ClassGPRS Class 10
GPRS Terminal Device ClassClass B
GPRS Coding SchemesCS1 ~ CS4
Max Launch PowerGSM900 class4 (2W), DCS1800 class1 (1W)
ApplicationGSM standard AT instruction set / USR extension AT instruction set / data transmission / SMS transmission
Network ProtocolTCP, UDP, DNS,https
Network Link Count2
Network BufferSend: 4K bytes, receive: 4K bytes
Serial
Port Number1
Interface StandardTTL: 2.54 pin type 2.8 ~ 3.6 V
Data Bits5, 6, 7, 8
Stop Bit1, 2
Check BitNone, Even, Odd
Baud Rate2400 bps ~ 921600 bps
Flow ControlCTS/RTS
BufferReceive and send 4K bytes respectively
Device Interface
Antenna InterfaceIPEX
SIM Card1.8V / 3V
Speech Interface1 MIC input, 1 SPEAK output
Software
Virtual Serial(USR-VCOM)Windows 2000 or higher (32 bit/64 bit)
ConfigurationSerial AT command, SMS AT command, network AT command
Basic Parameter
Size44.5 x 32 x 13(mm)
Operating Temp.-25 ~ 85°C
Storage Temp.-40 ~ 125°C, 5 ~ 95% RH(no condensation)
Input VoltageDC 5 ~ 16 V
Working CurrentAverage: 35 ~ 48mA, max: 394mA(12v)
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Warranty2 years
AccessoryPCB Antenna

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