The GefenTV Wireless for HDMI Extender sends 1080p to any HDTV display up to 100 feet (30m) away.The Wireless for HDMI Extender extends HDMI AV content from satellite boxes, Blu-Ray players, and other AV sources to remote HDMI-compliant display(s). The Wireless for HDMI Extender transmits through walls and does not require line-of-sight placement of transceivers for good reception. How it worksThe GefenTV Wireless for HDMI Extender uses one Sender unit and one or more Receiver units. A short cable connects the HDMI input of the Sender unit to the HDMI output of an HDMI source. At the display side, a short cable connects the HDMI output of the Receiver unit(s) to the HDMI input of the HDTV display(s). The HDMI signal from the HDMI source travels to the HDMI display(s) over 5 GHz radio waves, and a vibrant and crisp High Definition picture emerges on the HDTV display(s). Two channels of L/R analog audio are available on the output of the Receiver unit for connection to an external amplifier if desired (as RCA jacks).