Featuresr the item enables you to easily realize wireless sharing of sd secure digital av data and enjoy untrammeled hifi audio and visual effectsr uses 24ghz ism frequency band multiple selective channels supported for anti interface from wirelessr support 1 group of av signal input outputr keep transmitter and receiver are used in the same channel in a pair it support and can be used in the modes of point to multipoint or multipoint to multipointr it enables you to satisfy the tr