... DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other similar devices, by means of radio waves ... DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV output devices.Superheterodyne 433MHz Wireless IR ... Audio Output Level 1Vp-p(Stereo) 433MHz Sensitivity -110dBmIR Transmitter Superheterodyne 433.92MHz Carrier frequency 38KHzCarrier frequency 38KHzIR Transmitting Range ...