4g router with sim slot has a patented technology to maintain the stability of the system, ensuring that the equipment is always online; the whole product is made of metal casing, anti-interference and radiation protection, industrial grade design on hardware; system with watchdog WDT protection, (industrial grade 5 The LTE 4G gateway is additionally loaded with System Watch Protect (SWP); the whole product has passed the European CE certification, passed the test of the central inspection, and passed the power 3000V electric shock test. All wireless modules have passed CGD certification or FCC certification or CE certification; (industrial 5-port LTE 4G gateway) After strict design, testing and practical application for 8 years, the product performance is stable and reliable.

The 4g router with sim slot device supports LAN WIFI function (802.11 a/b/g/n) and wireless WAN LTE 4G function. The device adopts high-performance industrial-grade communication processor and embedded real-time operating system as software support platform. The system integrates a full range of communication links from the logical link layer to the application layer, supporting VPN (including PPTP+L2TP+MPPE and IPSEC+). GRE), IPTABLE firewall, static and dynamic routing, PPPOE, PPP server and PPP client, DHCP server and DHCP client, DDNS, firewall, SNAT/DNAT, DMZ host, WEB configuration, support APN/VPDN, support for automatic dial-up The automatic maintenance communication link (industrial-grade 5-port LTE 4G gateway) ensures that the link is always online, and supports automatic timing on-line and offline functions.

4g router with sim slot has been widely used in long-distance WIFI coverage wireless Internet access, bus WIFI coverage wireless Internet access, taxi WIFI coverage wireless Internet access, business vehicle WIFI coverage wireless Internet access, train WIFI coverage wireless Internet access, (industrial grade 5 LTE 4G Gateway) WIFI WIFI coverage wireless Internet access, financial ATM monitoring, financial transactions, postal transactions, smart grid, intelligent transportation, environmental monitoring, fire monitoring, security monitoring, water monitoring, public safety, advertising, telemetry, industrial control, oilfield monitoring , coal mine monitoring, seismic monitoring, meteorological monitoring, instrument monitoring, water meter reading, meter reading, gas meter reading, heat network monitoring, centralized meter reading, SME wireless Internet access, (industrial grade 5-port LTE 4G gateway) home wireless Internet access And other industries.