Up to 4K 30Hz, present image with superior clarity, detail and realism. - Intercom frequency response range: 20Hz ~ 20kHz. The transmitter can be switched as a receiver at will. - Interface:1 x HDMI input, 1 x HDMI output, 2 x Antenna port (RP-SMA Male), DC power input, 3.5mm headphone jack, Type-C.
eBay