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1 Port RS485 Ethernet Device Servers $45.00
2 x RS232/RS485 Ports $58.00
4 x RS485 Ports $95.00
RS232/RS485 $41.00
2xRS232/RS485/RS422 $61.00
Serial to 4G LTE Modem $77.00
RS232/485 to 4G | WAN/LAN | APN/VPN $126.00
Rs485 to cellular modems $77.00
TI Cortex M0 Processor $10.00
TI Cortex M0 Processor $11.00
TI Cortex M4 Processor $19.00
Product Name:Cellular Modem Routers | Industrial Cellular Modems
Industrial Cellular Modem USR-G781 is an industrial cellular modem router, which provides a serial to cellular networking solution. Provide serial and Ethernet Connectivity to PLC, RTU, Data Loggers,Wireless SCADA applications and IP cameras at remote sites.
List of LTE networks: https://en.wikipedia.org/wiki/List_of_LTE_networks
Model | Carrier/Region | 2G/3G/4G Bands |
-E Version | Europe/International (EMEA, Korea Thailand,India) (HongKong) | FDD:B1/2/3/5/7/8/20 TDD:B38/40/41 HSPA/UMTS: B1/2/5/8 GSM/EDGE: B2/3/5/8 |
-E Version | Southeast Asia | FDD:B1/2/3/5/7/8/20 TDD:B38/40/41 HSPA/UMTS: B1/2/5/8 GSM/EDGE: B2/3/5/8 |
-AU Version | Australia Taiwan New Zeland Latin America | FDD:B1/2/3/5/7/8/28 TDD:B38/40/41 HSPA/UMTS: B1/2/5/8 GSM/EDGE: B2/3/5/8 |
-A Version | AT&T,T-Mobile/North America | FDD:B2/4/12 WCDM:B2/4/5 |
Support American version, European version and Austrian version.
2 RJ45 port, one can be WAN or LAN port and another one can be LAN port.
Support VPN(PPTP) client.
Support static routing.
Support Firewall and QoS.
Support DDNS.
Support NTP to check the time.
Support TCP/UDP client mode and server mode.
Support identity packet and heartbeat packet.
Support Serial to https format.
Support upgrading firmware via FTP.
Integrated Hardware and software watchdog timer.
Parameter | Item | Index |
SIM card and antenna | SIM/USIM card | Six pin SIM card interface, 3V/1.8V SIM card |
Antenna | SMA interface, 5 dBi antenna | |
Hardware Parameters | Wired Internet interface | WAN*1 and LAN*1 |
Data Interface | RS232:300bps - 460800bps | |
RS485:300bps - 460800bps | ||
Indicator LED | LINKA, LINKB, TXD, RXD, POWER, NET, WORK, SIM | |
Working Voltage | DC 9V~36V | |
Working Current | Average current 180mA@12V Peak Current 300mA@12V | |
Working Temp. | -35°C-75°C | |
Storage Temp. | -40°C-125°C | |
Working humidity | 10%~90% | |
Storage humidity | 5%~90% | |
Software Parameters | Work Mode | Transparent Mode, httpsD Client Mode |
Setting Command | AT+ Command Structure | |
Network protocol | TCP/UDPDNS/https/FTP | |
Max TCP connections | 4 | |
User Configuration Method | Setting Software, AT command and Web Server configuration | |
Software Functions | VPN | Support PPTP |
Static routing management | Support | |
Firewall | Support | |
Network diagnosis | Support | |
Remote Management | Support | |
Transparent Transmission | Support TCP Server/TCP Client/UDP Server/UDP Client | |
https Protocol Transmission | Support | |
Heartbeat Packet | Support | |
Identity Packet | Support IMEI/ICCID/self-defined identity packet | |
Baud Rate Synchronization | Support | |
USR Cloud | Support |
Monday to Friday 8:30-18:00 in Beijing time. Message us online for a quick response when we are on-work. Or you can leave a message. Our sales will contact you as soon as possible. You can get free technical support & professional support for your project on our technical support h.usriot.com. Get in touch with us via email at sales@usriot.com. We want to help with any questions you have.
We will deliver goods as soon as possible after we received the order. The order generated on weekend and holidays will be handled after back. We ship the goods with the following carriers TNT, DHL, FedEx, UPS, shipping agent.
We provide one year's warranty of modules and two year's warranty of cellular routers, cellular modems, serial device servers for any reason. If you believe the item is defective and under warranty, please submit a Return or Exchange request on the product's support page, or contact us at support@usriot.com.
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