Antenna base TRAM 1480, dual band, omnidirectional VHF, UHF amateurs band.

• VHF 144-148 MHz (2 m) 6 dBd gain
• UHF 430-450 MHz (70 cm) 8 dBd gain
• 8' 4" Tall
• 200W Power Rating
• Impedance 50 Ohms
• UHF Female Connector
• Heavy Duty Fiberglass
• 3 pcs of 20 1/2" (52 cm) radials 
• Mounting hardware included
• The mounting brackets are designed to fit on a mast from 1 3/16" to 2 7/16"
• Package dimensions: 48"x6"x6", 5 lbs