Diversity Fin Antenna


The Diversity Fin Antenna is the flagship RF Venue wireless microphone antenna; it's portable, simple to operate, and capable of pushing diversity microphone systems to the limits of their performance while excelling in tough RF environments.

The Diversity Fin reduces microphone drop-outs and interference in a novel and remarkably simple way; instead of using two antennas of the same orientation spaced a distance apart, as with standard whip or paired LPDA "shark fin" antennas, it includes one element that captures vertically polarized waves, and another that captures horizontally polarized waves. To use, just connect both the A and B ports on any antenna distributor or wireless microphone receiver and point toward the stage. The result is an antenna that dramatically improves diversity system performance in the space of only one LPDA.

RF Venue DFIN Features:

  • Frequency Range:  470 - 698 MHz
  • Standard version includes black water resistant padded cover
  • White and black paint versions available with L-bracket and easy hardwarefor wall mounting
  • Mounting block accepts 5/8-27, 1/4-20, AND 3/8-16 stands

RF Venue DFIN Electrical Characteristics:

  • Operating frequency:  468-740 MHz
  • Bandwidth:  272 MHz
  • Average return loss:  -9.4 dBm
  • Impedance:  50 ohms
  • Pattern type:  Dual Omni-Unidirectional
  • LPDA:
    • Beam width: 140º Azimuth
    • F/B Ratio: 8 dB
    • F/S Ratio: 5 dB
    • Gain: 5 dBd
    • Polarization: Vertical
  • Dipole:
    • Beam width: 100º Azimuth
    • F/B Ratio: 5 dB
    • F/S Ratio: 13 dB
    • Gain: 1.8 dBd
    • Polarization: Horizontal

RF Venue DFIN Physical Characteristics:

  • Dimensions:  12" L x 15" H (300 x 370 mm)
  • Weight:  1 lb (454 g)
  • Mounting Block:  1/4-20, 3/18-16, 5/8-27 ??
  • Operating temperature:  -10 - 130 F (-23 - 54 C)
  • Color:  Black
  • Connector:  BNC female (2)
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