A supporting Omnidirectional external antenna product for an outdoor wireless bridge base station, with 5GHz dual-stream 2×2 two-space stream technology, antenna gain is 13dBi, antenna horizontal angle is 360 ?, vertical angle is 7 ?, it can be used with the bridge base station RG-AirMetro550G-B, recommended for PTMP scenarios with a distance of less than 2KM.