GPRS232-730 GPRS DTU Cellular Modem Serial RS232 RS485 to GPRS Support GSM GPRS
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.
Serial Port | RS-232 / RS-485 |
Port Type | RS-232: DB9 male port; RS-485: A/B/G; |
Baud Rate | 2400 bps ~921.6K bps |
Data Bit | 7/8 |
Stop Bit | 1/2 |
Buffer | Receive & Send: 4K bytes; |
Flow Control | CTS/RTS |
Protect | RS-485: ESD/lightning protection/ 2KV electric static protection |
Frequency Standards | GSM/GPRS |
Frequency Band | 850/900/1800/1900MHz |
Network Buffer | Receive: 4K byte / Send: 4K byte |
Sokets | 2 |
Network Protocol | TCP/UDP/DNS/HTTP |
Power Supply | DC 9-24 V (ESD/ Surge prevention) |
Work Temp | -25~85C |
Software | D2D/Setup/USR Cloud |
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 |
Certification | CE/FCC/RoHs/WEEE |
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
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
Jinan USR IoT Technology Limited
Jinan USR IOT Technology Limited has been focusing on network communication for IoT since 2012. Our mission is to be the communication expert of industrial IoT that make the network communication easier and more reliable.USR IOT provides quality products - serial to Ethernet converters, serial to WiFi converters, cellular modem, 4G cellular routers, IoT gateway, LoRa module, LoRa Gateway and NBIoT modules with I S O 9 0 0 1, CE, FCC,CCC, RoHs for industrial networking , which allows companies connect to the Internet - simple, quickly and reliably in more industries. USR IOT also provide USR Cloud service. We have a software team to help customers develop customized Cloud platform. By this way, USR IOT can provide a whole IoT solution for our customer. OEM & ODM service is acceptable.
USR IOT Attended Exhibitions Around The World
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier