YKS FPV Wireless A/V Transmitter for RC Quadcopter , 5.8GHz 600mW 32CH ,1.5km Range Micro sized, light weight (Only 7g) and easy to carry - perfect for use with small models. 32 channels: Cover A, B, E bands and F band (Airwave band), 4 bands and all frequencies compatible Bundled with antenna: Transmitting distance &gt;1500m (open area). Universal AV transmitter for all ,compatible with various kinds of remote control toys (RC helicopter,quadrocopter ,airplane and boat etc.) Transmitter frequency: 5645-5945MHz with 600mW power output,input voltage: DC 7 - 24V..