2.4GHz Wireless Audio and Video Sender Audio Video Transmitter and Receiver for DVD DVR IPTV 100‑240VAU Plug Item Item Type: Audio And Video Sender ABS+Electronic Components Features: Use 2.4GHz ISM Frequency Band, Support 8 Groups Of 2.4GHz Channel Selection; Unimpeded Transmission Distance Up To 400 Meters. Support Transmission Through Walls; Digital Screen Displays Channels, And Channel Selection Is Convenient And Intuitive; Exclusive Wireless Anti Interference Patented Technology, Effectively Blocking Wireless Signal Interference Such As Walkie Talkies And Wireless Routers; Support PAL/NTSC Format Audio And Video Transmission; When The Same Channel, The Transmitter And Receiver Can Be Used One To One Or One Transmitter To Multiple Receivers At The Same Time; Support 433MHz Superheterodyne Infrared Remote Control Signal Wireless Return, Compatible With 38KHz Infrared Carrier Remote Control Signal; The Transmitter Has Its Own Infrared Signal Transmission Or Uses An Infrared Signal Extension Cable; Aluminum Alloy Shell, Super Heat Dissipation Effect, Effectively Guarantee The Long Working Hours And Life Of The Equipment; Transmission Frequency: 2.4GHz Sensitivity: -90dBm Transmit Power: 50mW Channel Switch: 8 Groups Transmission Distance: Approx. 400m/ 1312ft Superheterodyne Reception: Transmitter: -110dBm; Receiver: 433.92MHz Infrared Carrier: 38KHz Infrared Emission Distance: Transmitting End: ≥5m / 16.4ft; Receiving End: ≥10m / 32.8ft Shell: Aluminum Alloy Size: Approx. 100x1000x25mm / 3.9x39.4x1in Operating Temperature: 32~104℉/0~40℃ Storage Temperature: -4~140℉/20~60℃ Humidity: 20~90RH