5.8 Ghz Omnidirectional Antenna is perfect match for your FPV Racing copter. The new design is highly durable and specially designed to withstand hard crashes and protect the antenna. Crimped root of the antenna ensures no breaks from the connecting end of the antenna. Protective case is made of virtually unbreakable material to keep the shape of antenna without deformation. Bright color makes it easy to spot the copter in the events of crash, specially in tall grass or in the tree! Center frequency: 5.8 GHz Bandwidth: 500 MHz (5.55-6.05 GHz) Matching: S11 Less than -20 dB, VSWR Less than 1.22 (at center frequency) Axial ratio: Less than 1.3 Radiation efficiency: 95% Colour:black/red Material:plastic+metal Size:Length: about 85mm<br><br>Package Contents: 1 x FPV Flat Panel Pagoda Antenna(Hole) / 1 x FPV Flat Panel Pagoda Antenna( Pin) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.