... narrow bandwitdh(1.25/2.5/6/7/8M ) encryption MV2000TBHF/MV2025TBHE Backpack Wireless COFDM Video Transmitter Receiver:type one: portable receiverType ... Rate500Kbps--15Mbps(MAX)Dimension 238mm*140mm*78.5mmWeight 2.7kg MV2000TBHF/MV2025TBHE Backpack Wireless COFDM Video Transmitter