5.8G transmitting and receiving antenna Ultra-long distance without obstruction, suitable for long-distance aircraft FPV aerial photography high-gain high-performance circular polarization antenna High-strength shell design, explosion- and collision- Good coverage area, stable signal transmission, and strong anti-interference ability Gain: 1.2dBi Axial ratio: near 1.0 Center frequency: 5.8 GHz Radiation efficiency: 98% (Due to different batches, the printed words on the product be different, which does not affect use) Colour:As Shown Material:plastic Specification:B: Elbow inner needle (extended 106mm) Package Contents: 2 x Antenna 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.