3D radiation pattern Simulation model The data contrast is far superior to the traditional omnidirectional antennaVNA measurements Comparison of traditional omnidirectional antenna simulation model Specification Diameter 22 5mmCenter frequency 5 8 GHzBandwidth 500 MHz 5 55 6 05 GHz Match S11 20 dB voltage standing wave ratio 1 22 at center frequency Axial ratio 1 3Radiation efficiency 95 Gross Weight 10gFeatures 1 Light weight small size diameter 22 5mm2 Omnidirectional circularly polarized antenna3 The new technology metal main rod is almost perfect axial ratio4 Very low standing wave smooth omnidirectional radiation receiving mode5 Very durable less than the current omnidirectional antenna 8 5 g Full length 95mmPackage included 2 x Antenna