USR-G781
USR-G781 is a Industrial 4G LTE Modem and Serial Data Transmit Unit, which provides a serial to cellular networking solution. USR-G781-A, American version USR-G781-E, Europe version USR-G781-AU, Australia version

USR-G781 is a Industrial 4G LTE Modem and Serial Data Transmit Unit, which provides a serial to cellular networking solution. USR-G781-A, American version USR-G781-E, Europe version USR-G781-AU, Australia 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
| 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. | -25°C-85°C | |
| Storage Temp. | -40°C-125°C | |
| Working humidity | 10%~90% | |
| Storage humidity | 5%~90% | |
| Software Parameters | Work Mode | Transparent Mode, HTTPD Client Mode |
| Setting Command | AT Command Structure | |
| Network protocol | TCP/UDPDNS/HTTP/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 | |
|
HTTP Protocol
Transmission
|
Support | |
| Heartbeat Packet | Support | |
| Identity Packet | Support IMEI/ICCID/self-defined identity packet | |
| Baud Rate Synchronization | Support | |
| USR Cloud | Support |






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