The HD4 MBX is capable of combining the bandwidth of four cellular links into an unbreakable, high-speed SD-WAN connection. It supports up to 8 SIM cards, with an option to expand to 16 with an additional SIM Injector. This allows connection to up to 16 cellular providers, ensuring reliable coverage. The HD4 MBX combines the bandwidth of 4x Gigabit LTE links to provide a fast, reliable, and secure SD-WAN connection, suitable for real-time high-definition video streaming without the need for additional infrastructure.