GEFEN EXT-WHD-1080P-LR Wireless Extender for HDMI Long Range Wireless extension of HDMI up to 100 feet at up to 1080p Full HD, with up to 7.1 channels of LPCM digital audio, and up to 5.1 channels of Dolby & DTS. Sender unit accepts two HDMI inputs. Also Includes IR remote for easy control. Long Range performance makes it ideal for multi-room use. Transmits through obstacles - does not require line-of-sight. Use up to 8 sender units in the same system. Control your set top box or Blu-ray player directly from the wirelessly extended display. IR Back Channel for source control with carrier frequency selector. Receiver Unit: IR Extender module included for hidden installations; Small and compact form factor - can be installed behind the TV; Flexible mounting options: 1/4"-20 thread, wall mounting, shelf placement. Compatible with free Geffen Syner-G(TM) Software for firmware updates and more.** Obstructions such as walls and furniture, and RF interference could reduce reception distance. This product operates in the 5 GHz RF region, and features a specific number of channels. Other 5 GHz Transmitters including WiFi Routers may be occupying the same channels and may cause reception issues. See the User Manual for recommendations to help reduce interference.