Affordable Collinear Fiber Glass Base Antenna, 500 Watt, 144-151 MHz, N Female.

     VHF Base Antenna, Fiber Glass, Frequency Range 144-151 MHz.

• Frequency Range: 144-151 MHz.
• Gain: 6 dB.
• Bandwidth: 7 MHz.
• Power rating (typ.): 500 Watts.
• Impedance: 50 Ohm.
• VSWR: 1.5:1 or less.
• Pattern: Omnidirectional.
• Vertical beamwidth: 20º 
• Connector: N Female.
• Dimensions (L. x base diam.): 256" x 2.75".
• Tower weight: 43 Lb.
• Wind rating / 0.5" ice: 150 / 125 MPH.
• Mounting: Includes a Dual Clamp for a 1.5" to 3.5" O.D. support pipe.