Collinear Fiber Glass Base Antenna, 148-174 MHz, 2.5 dBd, 500 Watt, N Female.

• ✓ Fiberglass Construction With Corrosion-Resistant Cool Blue Radome
• ✓ Wind Resistance up to 200 mph Without Ice Accumulation
• ✓ Bronze and Copper Elements With DC Ground Connection
• ✓ UV, Ice, Salt, and Acid Rain Resistant Environmental Protection
• ✓ Omnidirectional Pattern for Uniform 360-Degree Coverage
• ✓ Includes Double Clamp for 1.5 in to 3 in Mounting Tubes