H750 supports two sim card, switching freely. Two sim cards can be different carriers. With SSH, Telnet, Web, and remote management system, H750 can be friendly and easily managed. With the link backup feature, H750 switch between mobile networks, land line and WiFi client smoothly and freely, which brings the stability and reliability. With H750’s high performance feature such as fast Ethernet port, serial port, VPN, DDNS, GPS, and port forwarding, users can build wireless solution easily and fast.