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Tram 1481 Dual Band 3 Section Base Antenna (144-148/430-450 MHz)

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Quick Overview

The Tram 1481 is a high performance dual band UHF/VHF fiberglass Base Antenna with a 200 watt power rating. This 17 ft. antenna is in three sections and is rated for up to 90mph maximum winds.

Availability: In Stock

$77.99

Details

  • Dual band UHF/VHF fiberglass base antenna
  • 17 ft. (5.18m) tall
  • Three sections
  • 5/8 wave 3 elements c-load (2m) and 5/8 wave 8 elements c-load (70cm)
  • 20.5" (52cm) radial length
  • 144-148MHz (VHF)
  • 430-450MHz (UHF)
  • 4MHz bandwidth (VHF)
  • 20MHz bandwidth (UHF)
  • 8.3 dBd gain (VHF)
  • 11.7 dBd gain (UHF)
  • Radiator and coil are hermetically sealed in fiberglass tubing for low SWR in all weather
  • DC ground construction allows static dissipation for low noise ratio and maximum lightning protection
  • Mast diameter accepted is 1 3/16" to 2 7/16" (30-62mm)
  • UHF Female (SO-239) connector
  • Max power 200 watts
  • 50 ohms
  • Maximum wind 90mph (40 m/sec)
  • Includes assembly instructions

Additional Information

Service / Frequency Amateur, UHF (400-520MHz), VHF (134-180MHz)
Number of Bands Dual Band
  1. Good antenna, especially for the $$ review by JMac on 8/17/2015
    Rating

    Good antenna on 2m and okay on 440 depending on the frequency. We are using this antenna as a temporary solution on our VHF & UHF repeaters until we can afford quality 4-bay dipole antennas. We have them stood out from the tower 4.5 feet plus supported at middle of the antenna and near the top because of the thin wall fiberglass construction. It has already withstood 60 mph winds from a thunderstorm - it just stood right in place didn't move an inch. So far, so good. SWR 1.4:1 on 2m and 1.7:1 on 440, but a scan of the antenna shows SWRs on 2m & 440 repeater bands as low at 1.2:1 and 1.4:1 respectively.

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