1,user-friendly and conveniently 2,8 channels 3,power :12V 500mW 4,range:3km(maximum) RC302receiving frequency:2370-2510MHz; 8channels receiving ... built-in frequency and phase lock loop double lines AV output:analog AV signal outputantenna connector:SMA(Inside the needle) power ... supply 2.4g ,5.8g 1.2g 1.5g FPV products, with different transmitting power and channel,different transmit range.please ...