... interference from signals of a wireless router, etc.4. Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and ... 433MHz Wireless IR Remote Extender is fully compatible with remote control signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV ... ) ×3.0cm (H). 2.4G Wireless AV Transmitter and Receiver with IR Remote Control Model:PAT-240