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02638 (White) UHF 477MHz 4.0/6.5db Dual Gain GPI Mobile Antenna Kit

The 02638 antenna is a dual antenna (4dB/6.5db Gain), Ground Independent Mobile Antenna kit covering the UHF Citizens Radio Band. The 02638 kit antennas offer a genuine,respective, 4.0dB and 6.5db of gain (over quarter wave), on the horizon at the designated frequency of operation. Each antenna covers the entire designated band of operation well under 1.5:1 VSWR.
The construction of each antenna features a Black Radome, with the antenna detachable from the mounting spring, offering protection against antenna theft.


  • Mobile coverage for the UHF Citizens Radio Band.


  • Plated brass mounting stud
  • 4.0dB Gain/6.5db Gain
  • Ground Independent
  • Reliable
  • Robust
  • Durable
  • FME adaptor to allow easy installation
  • Detachable antenna
  • 5 Year Warranty


  • Frequency: 477 MHz
  • Gain: 4dB/6.5db (Gain over ¼ wave mounted on ground plane)
  • Impedance: 50 O (Nominal)
  • Operating VSWR: <1.5:1
  • Radiation Pattern: Omi Directional
  • E Plane Beamwidth: 4dB = 55 Deg, 6.5dB = 20 deg
  • Tuned Bandwidth: 4dB = 20 MHz 6.5dB = 10 MHz
  • Length: 4dB antenna = 495mm, 6.5dB antenna = 1170mm (Antenna length includes spring)
  • Weight: 4dB antenna = 180g, 6.5dB antenna = 370g
  • Termination: 16mm stud mount on the spring assembly 5mRG58 cable terminated with FMEs + UHF Male Adaptor
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