HDbridge3000 Chassis System is modular with slots for up to 12 hot-swappable cards, allowing you to mix and match cards with different interfaces and resolutions as needed. Populate the chassis with up to 72 channels of SD over RF, 24 channels of HD over RF (with the optional IP streams), 48 channels of H.264 IP streams or a mix of cards as required. Combine multiple HDbridge3000 units to increase the number of channels. Includes 1 Control Module for configuration/management, 2 hot swappable power supplies with cords, 4 hot swappable fans and 8 blank face plates covering empty slots. Cables sold separately.