1).Powerful transmitter,3000mW 2).Long range:500-3000M(without block) 3).Support VCD,DVD,TV,Camera signal 4).RCA / AV port 1 ... .2GHz 3000mW long range wireless video transmitter receiverProduct Name:video ... you need longer range, you should install high gain antenna,suggest 13DB yagi antenna: 1.2GHz 3000mW long range wireless video transmitter ...