Designed For Larger Aircraft The Optima 9 Features Two Of Our Exclusive Boosted Omnidirectional Antennas For Added Safety And Security Features Adaptive Frequency Hopping Spread Spectrum Technology (Afhss) The Optima 9 Utilizes Our Afhss 24Ghz Technology And Our Exclusive Smart Scan System To Ensure A Rock Solid Interference Free Connection When Selected Hates 24Ghz Smart Scan Function Scans The 24Ghz Spectrum To Find The Cleanest Channels In Which To Operate Therefore Providing Interference Free Operation Even In The Most Crowded Environments Dual Boosted Omni Directional Antenna (Boda) The Optima 9 Receiver Utilizes Two Of Our Exclusive Boda Antennas To Insure A Rock Solid Connection Between You And Your Plane Independent Testing Has Proven That The Dual Boda Antenna System Used In Our 9 Channel Receiver Is Equal To Or Better Than Our Competitors Remote Receiver Or Quad Antenna Systems Supplementary Power Connection (Spc) With Our Supplementary Power Connection You Can Eliminate "Brown Out" Concerns By Powering The Receiver Independently Of The Servos