5.8GHz Vertical-Polarized Directional Antenna Model SPDB-5800-23V12/18V60 Frequency Range(MHz) 5725-5850 Gain(dBi) 23/18 VSWR <1.5 Horizontal Beamwidth-? 12/60 Vertical Beamwidth-? 12/8 F/B ratio-dB >25 Polarization Vertical or Horizontal Impedance(Ω) 50 Antenna Dimension-mm306*306*25/400*160*60 s