VHF Mobile Whip Antenna NMO Antenna Mobile Antenna Radio Communication Antenna Car Antenna     Model: TQC-BG-3-155V-N1A  ELECTRICAL SPECIFICATIONS   Frequency Range-------------------    136-174MHzBand Width---------------------------    6 MHz                                          Impedance----------------------------    50Ω  VSWR----------------------------------    <1.5(155MHz)Gain------------------------------------    3dBi Polarization---------------------------    VerticalRadiation------------------------------    OmniLighting Protection-------------------    Direct GroundMaximum Power Input-watts--------    150 W  MECHANICAL SPECIFICATIONS   Height-----------------------------------    805mmTermination----------------------------    NMO Diameter of Chassis------------------    Ø39±0.2 mmRadiating Element Material----------    Stainless Steel