The kit is designed to wireless transmission single video channel of PAL / NTSC standards in the band of 5.8GHz. A both devices have built-in the antennas, which enable good quality transmission up to 200m distance and can operate on the one of the 7 available frequency channels.
To correct operation, the transmitter and the receiver should be visible to each other and have set the same channel configuration (the same channel switchers settings). For indoor use only.