IoT Gateways
IoT Modules
Netcom Products
Pusr Cloud, a cloudplatform for the Internet of Things Zero programming comes with its own Internet of Things system.
+ Private Cloud project
Data localization
Business personalization
+ Public Cloud registered
80% functions are free
White-labeling for VIP
PCB Design —— ODM/EMS We provide one-stop turnkey design service to help customers with the delivery of an out-of-the-box hardware platform that is fully tested and ready to use upon delivery.
+ years of experience
11 high-speed SMT
10 million pcs daily
+ Private Cloud project
ISO9001 cert.
Intelligent MES
Industrial modem USR-G781

Brief Introduction of industrial modem

USR-G781 is a industrial modem which apply to LTE WCDMA and GPRS. Serial RS232 or RS485 can be transfer to
Internet server via LTE technology. G781 has two Ethernet ports for networking accessory.
Features of industrial modem USR-G781
ARM 9 core and Linux system based.
Supports 2G 3G and 4G LTE. Different version for America, Europe, Australia and other areas.
Support 2 Ethernet RJ45 port. One LAN port, and another one can be set as WAN port or LAN port.
Support 1 SIM card socket.
Support PPTP VPN. LT2P, IPSEC and Open VPN are on developing.
Support DDNS, static routing and firewall.
Support NTP and clock synchronization.
Support Web Server configuration.
Supports 4 connections online simultaneously, supports TCP and UDP
Supports sending network identity packet.
Supports sending heartbeat packet data to network or serial port
Supports 2 serial work modes: Network transparent transmission mode and httpsD mode
Dual watchdog timer for stability.
Product link:
Setup software:
If you have any question, please submit it back to customer center:


Reliable products and services around you !
Be Honest, Do Best
Products Serial to Ethernet/WiFi
Cellular Modems
Cellular Routers
DIN Rail Devices
IoT Gateways
LoRa Modems
Ethernet Modules
WiFi Modules
4G Modules
Bluetooth Module
Support Downloads
Technical FAQ
Technical Support
Contact Us Email :
Tel : +86-531-88826739
Fax : +86-531-88826739-808
Copyright © Jinan USR IOT Technology Limited All Rights Reserved. / Sitemap / Privacy Policy