... /s/PAL: 25f/s VR850SF/AV(Video Codec)MPEG4(Video in System)PAL/NTSC Auto detection(Audio Codec)MP3 1Channel(Voice Sample Rate ... .(Video Polarity)(NEGATIVE)(Video Frequency Respone)±5 dB, Max. 50Hz ~ 6MHz(Differential Gain)±5 %, Max(Differential Phase)±5 Deg., MaxS/N50dB, MinAudio(Audio ... for your convenience, your concern and your content! 2.4G long range wireless audio video transmitter for rearview