GSM Modem RS232/485 | Serial GSM Modems

GSM Modem RS232/485 | Serial GSM Modems

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  • USR-GPRS232-730
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Product Name:GSM Modem RS232/485 | Serial GSM Modems

  • Model:USR-GPRS232-730

Introduction of GSM Modem RS232/RS485

Industrial Serial to IP cellular GPRS modem which convert the serial data RS232/485 into IP data and then transfer to data center through GPRS 2.5G mobile network. USR-GPRS232-730 is based on USR-GM3.  Can use this product to realize bidirectional transparent transmission from serial port to network through simple AT command.

Introduction of RS232 / RS485 GSM Modem

 

Port of  RS232/RS485 Industrial Modem USR-TCP232-730

 Port of RS232 / RS485 GSM Modem

 

Features of RS232 / RS485 Cellular Modem USR-TCP232-730

RS232 or RS485 interface, can’t be used at one time

2G Frequency: GSM850/900,DCS1800/1900, 2G GSM/GPRS

Work Mode: TCP and UDP Client

Supports register packet and heartbeat packet

Can be remote configurated via SMS

Support multi work modes : SMS transmission mode,network transmission mode and httpsD mode

Support basic instruction set and extension instruction set

Hardware flow control RTS/CTS

 

Functions of RS232 / RS485 Modem GSM USR-TCP232-730

Network Transmission

Bidirectional transparent transmission between modem and network

Network Transmission of RS232 / RS485 GSM Modem

 

httpsD Client 

Support serial data https(GET/POST) to submit to the specified server.

httpsD Client of RS232 / RS485 GSM Modem

 

SMS Transmission

To achieve transparent communication between mobile phones and serial devices.

SMS Transmission of RS232 / RS485 GSM Modem

 

At Command

Support AT command query and set the parameters via- serial, network, SMS.

At Command, RS232 / RS485 GSM Modem

 

Application of RS232 / RS485 M2M Modem USR-TCP232-730

Data Acquisition of Intelligent Electricity

Data Acquisition of Intelligent Electricity, Application of RS232 / RS485 GSM Modem

 

Real-time Data Transmission of Charging Piles

Real-time data transmission of charging piles, application of RS232/485 GSM modem

 

Environmental Monitoring of Agricultural Networking

Environmental Monitoring of Agricultural Networking, application of RS232/485 GSM modem

 

Real-time Data Collection of Urban Public Transport

Real-time Data Collection of Urban Public Transport, application of RS232/485 GSM modem


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Hardware Dimensions


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 

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 Count4
Disconnection Buffer4 x 15K bytes
Network Receive Buffer4K byte
Serial
Port Number2 (1*RS-232, 1*RS-485, can not work at the same time)
Interface StandardRS-232: DB9 cellular type, RS-485: 2 wire (A+, B-)
Data Bit5, 6, 7, 8
Stop Bit1, 1.5, 2
Check BitNone, Even, Odd
Baud RateUART: 2400 bps ~ 921600 bps
Flow ControlRTS/CTS
Receive Buffer4K byte
RS-485 Pull-up and Pull-down Resistor2.2 KΩ
Device Interface
Antenna Interface50Ω/SMA-K (female terminal)
SIM Card1.8V / 3V
Speech InterfaceNull
Software
Virtual Serial(USR-VCOM)Windows 2000 or higher (32 bit/64 bit)
ConfigurationSerial AT command, network AT command, SMS AT command
Basic Parameter
Size80x 84 x 25(mm)
Operating Temp.-25 ~ 85°C
Storage Temp.-40 ~ 125°C
Input VoltageDC 5 ~ 36 V
Working CurrentAverage: 22 ~ 45mA, Max: 201mA
More
Warranty2 years
Accessory12V1A power, serial line, GPRS sucker antenna

 

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