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USR-GPRS232-730 Modulator Serial RS232 RS485 to GSM GPRS DTU Supporting HTTPD Client

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Company Information

Shenyang Guangcheng Technology Co., Ltd.

CN Manufacturer, Trading Company
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US$ 10,000+
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Quick Details

Model Number: GPRS232-730
Application: Industrial modulator
Brand Name: GCAN
Place of Origin: Liaoning China
Command: AT command
Item: GSM GPRS Modules
Serial port: RS232 RS485
Power supply: 5-36V
Place of Origin: Liaoning, China
Brand Name: USRIOT
Type: Voltage Regulator
Model Number: USR-GPRS232-730
Function: DNS/DHCP/ HTTPD client
Warranty: 2 years
Selling Units: Single item
Single package size: 8X8.4X2.5 cm
Single gross weight: 0.5 KG
Package Preview:,
Product Description
USR-GPRS232-730 GSM GPRS Module DTU (Data Transfer Unit) is a wireless terminal equipment which can convert serial data to IP data or convert IP data to serial data through gprs network. 730 is based on USR-GM3. Clients can use this product to realize bidirectional transparent transmission from serial port to network through simple AT command.
Chip Solution
RDA8851, work temp at -25~85C
Power Supply
DC type 9V~24V
Serial Port
Supports RS232/RS485, can't be worked at one time
Work Mode
TCP Client/UDP client/ HTTPD Client
Basic Function
DNS/ Support Serial/SMS/AT Commands confirguration
Baud rate
2400~921.6K bps

Point 1

1.Flow control: RTS/CTS
2.Restore factory defaults by hardware and software
3.Support 2 sockets at the same time, Support TCP & UDP

4. Support firmware upgrade via network

Point 2

1.Heartbeat packet, ensure connection reliable
2.Register packet, check connection status and use as 

custom packet header

3.Query IP address through serial setting protocol

Serial Port
RS232 / RS485 
Port Type
RS-232: DB9 male port; RS-485: A/B/G;
Baud Rate
2400 bps ~921.6K bps
Data Bit
Stop Bit
Receive & Send: 4K bytes; 
Flow Control
RS-485: ESD/lightning protection/ 2KV electric static protection
Frequency Standards
Frequency Band
Network Buffer
Receive: 4K byte / Send: 4K byte
Network Protocol
Network Protocol
DC 9-24 V (ESD/ Surge prevention)
Work Temp
D2D/Setup/USR Cloud

1. Power industry: power remote meter reading, substation monitoring, power line monitoring
2. Municipal industry: street lamp remote monitoring management, pipe network remote monitoring, urban energy 

consumption monitoring
3. Oil industry: remote monitoring of oil-gas well, GPRS remote oilfield automation detection monitoring system, Gas 

pipe network monitoring system solutions
4. Environmental protection industry: pollution sources monitoring, atmospheric environment monitoring, noise 

monitoring, dust monitoring
5. Agricultural application: greenhouse remote monitoring and management, aquaculture monitoring management, 

agricultural water pump monitoring management

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Packing & Delivery


1. Standard package. Carton
2. Customized design

Delivery Time
2~5 days after receipt of your payment
Our Service
1. Service: 1 years guarantee, and professional technical staff help.
2. Supply ability: We usually have 300-500 units in stock for urgent orders.
3. Capacity: 500/month, can meet the demand of most enterprises application.
4. Lifetime: At least 5 years for each device, can still produce just if you need.
5. Cooperation: Welcome the cooperation with distributors all over the world.
"1.How to make sure the quality?
A. Process Quality Control
B. Final Quality Control
C. Outgoing Quality Control
2. How to get the order?
First,Tell us the model and quantity of the products you want.
Second ,we will make a PI for you.
Third, After confirm everything,the payment will be arranged (Paypal, Western Union,T/T or Ali Trade Assurance for your money safety are welcomed)
Fourth, we will send you the goods within the promissory time.
3. What's the delivery time?
A. Sample within 2-5days;
B. Wholesales 4-7days according different quantities;
C. OEM 7-14 days after all info confirmed.
D. ODM depends on the detail requirements.
4. Can you do the design for us ?
Yes, Just tell us your idea (logo,text., etc) and our professional R&D team will help to carry out your ideas into reality.
Your any requests would be much appreciated, so DO NOT hesitate to contact us