1,user-friendly and conveniently 2,8 channels 3,power :12V 500mW 4 ... in frequency and phase lock loop double lines AV output:analog AV signal outputantenna connector:SMA(Inside the needle) ... 17mm ApplicationsRc Hobbiesremote control aircraftremote spacecraftremote control toyswe supply 2.4g ,5.8g 1.2g 1.5g FPV ... based on order quantity and payment,payment way:Paypal,Western union,TT,L/C,Moneygram and ...