TS5828 5.8Ghz 32Ch 600mW FPV AV Wireless Transmitter for mini multicopter 250QAV Micro sized and light weight - perfect for use with small models Transmitting distance &gt; ~1500m (open area) 32 channels: Cover A, B, E bands and F bands Transmitter frequency: 5645-5945MHz with 600mW power output