... 40km AES,ABS Encrypt MV2025TBHE-P Backpack Wireless Video duplex Transmitter Introduction: The product is developed with ... waterproof and shockproofCOFDM modulation, Stable transmission,MPEG-2 video compression, DVD video qualityIn NLOS (non line-of-sight) environment, ... MPEG-4 (optional) Casing ProtectionIP66 (dustproof, waterproof)Video Rate500Kbps--15Mbps(MAX)Dimension 238mm*140mm*90mmWeight 2.7kg