Dimart 4-Axis Gps Foldable Antenna Holder Base Signal Bracket For Quadcopter(Black) Adopt aluminum turning and CNC manufacturing for durable to use. GPS Folding Antenna Mount Holder,Quadcopter Multicopter for DJI WKM Quadcopter CNC Aluminum GPS Folding Antenna Base Mount Holder Bracket Set. Easy to install and convenient to use. 100 brand new and high quality with long life span.