Comet GP-21 Base Antenna for 1200 MHZ


Comet GP-21 UHF Base Vertical Antennas offer the best possible solution for 1240 – 1300 MHz.

SKU: 48-198 Category: Tags: , , ,


The GP-21 offers significant gain across the entire 23-centimetre range, along with the renowned Comet quality. Its one-piece, heavy duty, UV-stabilized fiberglass housing ensures it will provide reliable performance for a long time.

These antennas feature the top power-rating in their category, equipped with an N-Type female connector for maximum signal delivery. Although lightweight, they boast robust extruded aluminum and stainless-steel clamp-on mounts for comfort and ease of use. The Comet GP-21 is the perfect way to ensure you make those long QSOs from your high-power 1.2 GHz radios!

When you need that extra boost to maximize the reach of your omnidirectional 1240-1300 MHz base station antenna, reach for a Comet GP-21 UHF Base Vertical Antenna and you won’t be disappointed!


Frequency 1240 – 1300 MHz
Band Coverage 23 cm
Gain 14.9 dBi 1/2 wave x 21
Bandwidth at 2:1 SWR over 60 MHz
Power 100 watts SSB, 100 watts FM
VSWR 1.5:1 or less
Windload 47 sq./inches
Windload Survival 112 MPH
Connector N
Height 8 feet
Weight 2.5 lbs
Material Fibreglass
Mounting Type Clamp-on
Mast Mounting Clamp (Min. to Max.) 1.25 in – 2.5 in


Additional information

Weight 1.4 kg