http://www.lemac.com.au/site/DefaultSite/filesystem/images/rf_venue/rfvenue_dfin.jpg The patented Diversity Fin is a multi-purpose antenna for wireless microphones that reduces dropouts using a cross-polarized, hybrid design.

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RF Venue

RF Venue Diversity Fin Antenna

Item Code: JAN/RFV-DFIN

The patented Diversity Fin is a multi-purpose antenna for wireless microphones that reduces dropouts using a cross-polarized, hybrid design.

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The patented Diversity Fin™ is a multi-purpose antenna for wireless microphones that reduces dropouts using a cross-polarized, hybrid design. It combines one LPDA and one dipole antenna in an orthogonal (right angle) configuration. One element captures vertically polarized waves, and the other horizontally polarized waves—doing the same job as two “shark fin” paddles while greatly improving RF and audio performance.

To use, just connect both the A and B outputs on any antenna distributor or microphone receiver and point toward the stage.

The Diversity Fin has found widespread adoption across multiple pro audio segments for its performance, convenience, space, and cost benefits. From high profile live sound events, to film and TV productions, to routine installations in schools and churches, the Diversity Fin is the ideal all-purpose external antenna for diversity microphone systems of any brand.

Features

  • Works with existing wireless systems, 470-698 MHz
  • Perfect for everyday stage, worship, and A/V productions
  • Ideal for location sound mixers who have limited cart space
  • Decrease signal fades, audio dropouts, and static
  • Super strong, water resistant padded nylon cover
  • Fits 1/4-20 Lighting Stands, 3/8-16 EU Mic stands, and 5/8-27 International Mic Stands- no adapters.

 

Specifications

Model Number DFIN-1
Operating frequency 468-740 MHz
Bandwidth 272 MHz
Average return loss -9.4 dBm
Impedance 50 Ω
Pattern type Polarization Diversity
LPDA:  
Beam width 140ᄎ
F/B Ratio 8 dB
F/S Ratio 5 dB
Gain 5 dBd
Polarization Vertical
DIPOLE:  
Beam width 100ᄎ
F/B Ratio 5 dB
F/S Ratio 13 dB
gain 1.8 dBd
Polarization Horizontal
Connector BNC; female (2)
Length 300mm/12 in
Height 370mm/15 in
Weight 454 g/1 lb
Mounting Block 1/4-20, 3/18-16, 5/8-27
Operating temperature -23 -54C/-10-130F
Color Black