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Comet GP-1 High Gain Dual-Band VHF/UHF Base Antenna - 4.2 Feet

Comet Antenna GP-1

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Product Highlights
  • 3 dBi Gain (2m) / 6 dBi Gain (70cm)
  • 200 Watt Power Rating
  • 4.2' Antenna Height
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⚠️ Please Note

The built-in SWR function will no longer work with this modification selected.

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  • Description

The Comet GP-1 is a compact dual-band base antenna built for operators who want reliable 2M and 70cm performance without installing a massive antenna system. Standing just over four feet tall, the GP-1 is ideal for smaller homes, restricted neighborhoods, apartments, garages, workshops, and even attic installations where space or visibility matters.


Despite its smaller size, the GP-1 delivers solid everyday performance for local repeater work, simplex communication, scanner monitoring, and GMRS listening. Its fiberglass construction helps it hold up outdoors while remaining lightweight and easy to mount to a mast, fence pole, or side bracket. For operators looking for a simple, low-profile base antenna that performs well without dominating the roofline, the GP-1 is a practical and proven choice.

GP-1 Features

  • Dual-band coverage for 2M and 70cm operation
  • Compact 4-foot design fits smaller installations
  • Great choice for attic, garage, balcony, or stealth setups
  • Fiberglass construction for durability and weather resistance
  • Wide bandwidth requires no tuning
  • Moderate gain improves local repeater performance
  • Lightweight and easy to mount
  • Ideal starter base antenna for new ham operators
  • SO-239 connection supports common coax configurations

GP-1 Technical Specifications

Frequency146 & 446 MHz
Gain3.0 dBi (2M) / 6.0 dBi (70cm)
Max Power200W
LengthApprox. 4.1 ft
Impedance50 ohm
VSWR1.5 or less
ConnectorSO-239
ConstructionFiberglass vertical antenna
TypeOmni-directional base antenna
Mounting Mast Diameter1.1" - 2.45"

Comet Antenna GP-1 Reviews

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  • Walcott Radio
  • 2940 N Plainview Rd Walcott
  • Walcott, IA 52773
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