... or DVR 4.Long distance:2k-3k 5.Low price 2.4G TV transmitter*4 channels available to avoid interference*Transmission distance ... 5000m in open place*Transmission frequency range: 2314-2468MHz*Suitable for any camera and any digital video recorder*Easy play on ... iPOD, iPhone, PSP, PMP, MP3, MP4,DVR, portable DVD, pocket mini projector, PDA, walkie talkie, Illumination lighting, karaoke player ,and other ...