... Product Description Model:CL-2008FMCar UHF Transmitter and wireless Headphone1) UHF wireless stereo headphone with 864MHz ISM band2) Operation distance up to ... 100 meters with latest UHF/RF wireless technology 3) ... 863.5, 864, 864.5MHzFor US: 914, 914.5, 915 MHz 3) Modulation: FM 4) Mode: stereo 5) Channel separation: ...