1. Radio Antennas Offered
  2. sku: 1182976586604792
  3. COMET GP-9N

COMET GP-9N Vertical Antenna Dbi Connector 144 440 8.5 11.9 16FT

Gp-9n Comet 144 / 440 Mhz Vertical Antenna 8.5 11.9 Dbi 16ft 9 Inch N-connector

( Brand: Comet ), ( Type: Antenna ), ( Material: Fiberglass ), ( Directivity: Omni-directional ), ( Size: 16 9 ), ( Color: White ), ( Band: Uhf, Vhf ), ( Item Weight: Approx. 5 Lbs. 11 Oz. ), ( Manufacturer Part Number: GP-9N )

Review COMET 144 440 Mhz Vertical Antenna 8.5 11.9 Dbi 16ft Inch N connector

The Comet GP-9N 144 MHz 440 MHz Dual Band Vertical Antenna is a high-performance, compact antenna system designed for use in the 144 MHz (2-meter) and 440 MHz (70-cm) Amateur Radio bands. This antenna, with a gain of 8.5 dBi for the 144 MHz band and 11.9 dBi for the 440 MHz band, offers excellent directionality and signal clarity.

Measuring 16 feet in total height, the antenna features a vertical design that is ideal for use in urban environments where space is at a premium. The antenna's design also makes it a great option for those who prefer a low-profile installation.

The GP-9N antenna is built with a corrosion-resistant, powder-coated aluminum housing that provides superior protection against the elements. The antenna is also equipped with a heavy-duty N-connector, ensuring a secure and reliable RF connection.

The antenna elements are constructed from high-quality, low-loss materials, which help to minimize signal loss and maintain optimal performance. The antenna's design also includes a built-in balun, which helps to prevent common-mode feedline currents and reduce RFI (Radio Frequency Interference).

This antenna is easy to install, with a simple, bolt-on design that requires no tuning. The antenna comes with a heavy-duty, UV-stabilized, fiberglass radome that provides additional protection against the elements. The antenna also includes a rotator mounting bracket, making it compatible with most rotor systems.

Overall, the Comet GP-9N 144 MHz 440 MHz Dual Band Vertical Antenna is a high-performance, reliable, and versatile antenna system that is perfect for Amateur Radio operators looking for a compact, low-profile antenna solution for their 144 MHz and 440 MHz bands.

The Comet GP-9N 144 MHz 440 MHz Dual Band 8.5 dBi 11.9 dBi Discone Antenna with a height of 16 feet and an N-connector is a popular choice among ham radio operators for its wide bandwidth and directional gain. Here are some pros and cons of buying this antenna:

Pros:

1. Dual-band operation: This antenna covers both the 144 MHz (2-meter) and 440 MHz (70-centimeter) ham radio bands.

2. High gain: The antenna offers a total gain of 11.9 dBi, making it an excellent choice for long-distance communications.

3. Wide bandwidth: The antenna covers a wide bandwidth, allowing you to use a variety of modes, including SSB, CW, and FM.

4. Directional: The antenna's design provides directional gain, allowing you to focus your transmissions in a specific direction, increasing the range and reducing interference.

5. Weatherproof: The antenna is designed to be weatherproof, making it suitable for outdoor use.

Cons:

1. Size and weight: The antenna is large and heavy, requiring a sturdy mounting system and a significant amount of space.

2. Complex installation: Installing the antenna can be complex, requiring specialized tools and knowledge.

3. Cost: The antenna is more expensive than some other options on the market.

4. Limited omnidirectional coverage: Since the antenna is directional, it provides limited omnidirectional coverage, meaning that it may not be suitable for all communication situations.

In conclusion, the Comet GP-9N 144 MHz 440 MHz Dual Band 8.5 dBi 11.9 dBi Discone Antenna is a high-performance antenna that offers excellent gain, wide bandwidth, and directional capabilities. However, it requires a significant investment in terms of cost, size, and installation complexity. If you are looking for a long-range, directional antenna for your ham radio setup and have the space and budget for it, then this antenna is an excellent choice. On the other hand, if you are looking for a more compact, omnidirectional antenna or have a limited budget, then you may want to consider other options.

Details:

length : 16' 9. Gain Wave: 146 MHz 8.5 dBi 5/8 wave x 3 / 446 11.9 8. Mounting to Mast Size: 1/4 - 2 1/2 Connector: Female N-type Construction: Heavy-duty fiberglass, 3 sections, FREE SHIPPING. VHF/UHF Dual Band Antenna 146/446 MHz 2m/70cm Ham Bands.

part #: gp9n price

  • $284.95

specifications radiorigor:

  • brand: Comet
  • type: Antenna
  • material: Fiberglass
  • directivity: Omni-directional
  • size: 16 9
  • color: White
  • band: Uhf, Vhf
  • item weight: Approx. 5 Lbs. 11 Oz.
  • manufacturer part number: GP-9N

seller radiorigor:

  • # reviews: 210
  • rating: 100.0%
  • city: Springfield, Illinois

payments radiorigor:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

general radiorigor:

  • Radio Communication > Antennas > Other Radio Antennas
  • condition: New

returns radiorigor:

  • policy: No Returns

shipping radiorigor:

  • carrier: USPS
  • class: Expedited
  • transit: 4-11 Days
  • service: USPS Priority Mail
  • type: Calculated
  • cost: $0.00

offer radiorigor:

  • started: June 12, 2025
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • best offers: True
type: antenna, directivity: omni-directional, size: 16 9, band: uhf, vhf, item weight: approx. 5 lbs. 11 oz.,
category: electronics > radio communication > antennas > radio antennas, color: white, material: fiberglass, sku: 1182976586604792,

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1 offer $284.95 USD
  • New. Offer #1 priced at $284.95 + $0.00 delivery = $284.95* total. Three piece fiberglass. If you desire the absolute maximum coverage area, this is the antenna to choose.FREE SHIPPING

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