... one room to another room, with IR Extender function Wireless AV Transmitter / Sender with IR Extender: JH-1000Features:1. Transmit ... channels to avoid interference4. 433MHz IR extender to remote control AV products5. Transmission distance: 100 meters(without obstacle)6. Lower ... , microphone, etc and any other AV devices with audio and video jack,and transmit AV signal to receiver9. The receiver can ...