E850-DTU(4440-GPRS) RS485 Modbus TCP 2G GSM Gateway 12-channel Network Converter Ethernet GPRS Modem Wireless Transceiver
rs485 modbus rtu tcp iot device 2G gsm gateway 12-channel network IO control converter ethernet GPRS modem wireless transceiver
| Hardware parameter | Description |
| Size (H*W*D) |
172*107*29mm |
| Working temperature | -20℃~+70℃ |
| Storage temperature |
-40℃~+85℃ |
| Working humidity |
5%~95% |
| Storage humidity |
1%~95% |
| Working voltage |
8V~28V |
| Current collection range |
0mA~20mA |
| Accuracy |
0.2% |
| Data interface |
RS485:1200~115200bps |
| Software parameter | Description |
| Network type |
GPRS |
| Configuration command |
Modbus TCP/RTU |
| Network protocol |
Modbus TCP/RTU |
| Working mode |
Master mode, slave mode |
| Data transmission mode |
TCP Client |
| Standard frequency band |
850/900/1800/1900MHz |
We research and develop various productswith diversified firmware;
Our catalogue covers WIFI, BLUE TOOTH, ZIGBEE, wireless data transceivers etc.;
Our products are being applied in over hundreds of contries and regions globally;
We have obtained various of patents and software copyrights, and have acquired FCC, CE, RoHs etc.
1. Delivery will be arranged by DHL/UPS/Fedex/TNT/EMS,normally it will take 3-7 working days to arrive in most countries.
2.We can also help you ship the goods by air line,then you need to go to Air port totake it ,it takes about 2-7 days to arrive ;
3.If goods are large quantity and you not need the goods so urgently ,you can choose by sea to save some freight cost which takes about one month to arrive.
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A: Yes, we can customize new products and new design for you.
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A: 1.For every finished product, should have passed more than hundred times of inspection, because QC checking on each production process.
2.We suggest you to buy a sample first before placing a big order.
3. If any quality problems are proved to be our responsibility, we will try our best to settle this issue and satisfy you.
4.We provide 1 year warranty, if you have any problems in the use of products, please contact to your sales person.
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