4G modem is a full Netcom IoT wireless data terminal with wireless long-distance data transmission. It adopts high-performance industrial grade 16/32-bit communication processor and industrial-grade wireless module, with embedded real-time operating system as software support platform, at the same time, it provides RS232 and RS485 (or RS422) interfaces, which can be directly connected to serial devices to implement transparent data transmission.
Adopt high-performance industrial-grade wireless module, high-performance industrial grade 16/32-bit communication processor, metal casing, the protection class is IP30. The metal case and system are safely isolated, especially suitable for industrial field applications, wide power input(DC 5~35V).
Stable and reliable, WDT watchdog design ensures system stability, adopt complete anti-dropping mechanism to ensure that the data terminal is always online, RSK/RS485/RS422 interface has built-in 15KV ESD protection, SIM/UIM card interface has built-in 15KV ESD protection, power interface has built-in reverse protection and over-voltage protection, and antenna interface lightning protection (optional).
The standard is easy to use, it provides standard RS232 and RS485 (or RS422) interfaces, can be directly connected to serial devices, intelligent data terminals, can enter data transmission state after power-on, provide powerful central management software, convenient for equipment management (optional), easy to use, flexible, multiple working mode options, convenient system configuration and maintenance interface, support for serial software upgrade and remote maintenance.
Powerful, support dual data center backup transmission and multi-data center synchronous transmission (5 data centers), support access to the center according to domain name and IP address, embedded standard TCP/IP protocol stack, support transparent data transmission, support APN/VPDN.
Industrial modem developed by USRIOT conforms to the industrial grade design with complete functions and stable transmission. Its star product USR-G781 has a high repurchase rate and is highly praised by new and old customers. It is widely used in environmental protection, water conservancy, meteorological industry; industrial control; special environment, oil and gas, heating industry.