USR G781 is a Cellular Modem- Industrial Serial to 4G LTE Modem with Sim ard and Ethernet Port. It provides a serial to cellular networking solution:transmit data transparently from serial port RS232/RS485 to device over 4G LTE ,3G WCDMA/ UMTS/HSDPA and 2G GSM/GPRS/EDGE. The 4G LTE Ethernet Modem also has external antenna and DIN-rail and wall-mounting housing.
Band and Frequency
List of LTE networks: https://en.wikipedia.org/wiki/List_of_LTE_networks
- Support Asia, American( AT&T and Verizon SIM Card) , European ,Australia Band and Frequency
- 2 RJ45/Ethernet port, option to use one LAN port as WAN connection.
- Support 4 Socket independent connection
- Virtual Private Network: APN and VPN Client (PPTP, L2TP) Note: OpenVPN and IPSec, L2TP, GRE are in developing stage .
- Support static routing
- Support NTP to check the time.
- Support TCP/UDP client mode and server mode.
- Support upgrading firmware via FTP
- DDNS, Dynamic domain mapping
- Serial to HTTP format
- Firewall and QOS flow control management
- Heartbeat packet: can be sent to serial or network periodic. To ensure connection is reliable, put an end to dead link.
- Identity /Registration packet: identified header can be added to packets to check connection status.
- Integrated Hardware and software watchdog timer
- Serial port protection: Reverse connection projection, ESD anti-surge, anti-static, Surge protection, EFT
- The metal enclosure can be mounted on a DIN-rail or on the wall
- Transparent transmission mode and Http Client Mode
- Configuration method: Built-in Webpage configuration and AT Command configuration
- USR Cloud Management for remote device management
4G LTE M2M Ethernet Modem provides fast connection speeds for embedded Machine-to-Machine (M2M) and Internet of Things (IoT) applications.
- Energy: Digital Oil Field, Coal Mine, Solar, Smart Grid,
- Utilities: Smart City, Traffic, Street lIghting, Public Safty, , Environment monitoring, Video Surveillance
- Industrial: Remote Telemetry, Tanking Monitoring, Automation, Remote PLC, Remote AMR, Remote Monitoring and control
- Retail: ATM, POS(Point-of-Sale), Vending Machine, Lottery Machine, Branch network, Digital Signage, Video Surveillance.
- Transpotation: Bus WiFi, Vehicle video surveillance, Fleet tracking and management, Bus Advertising