FlyFish Osprey HD Patch Visor AntennaTwo flat patch antennas are hidden inside, and the exterior comes with stylish patterns. With a stable gain of 8Dbi, it provides long range reception for flight, and better penetration in environments with lots of trees and other difficult terrains. 1. 5 VSWR makes the signal reception more stable and reliable. The 106 degree horizontal beam and 76 degree vertical beam receiving width allows for the aircraft to be flown over a wider area, without