Data Sheet

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Specifications
Polarization Diversity Antenna
DIVERSITY FIN
The Diversity Fin Antenna is a multi-purpose antenna
designed to be used with wireless microphone
systems and other UHF receivers incorporating dual
branch diversity reception, and comprises orthogonal
directional LPDA and bi-directional dipole elements. One
element captures vertically polarized waves, and the
other horizontally polarized waves—achieving optimal
polarization diversity reception and improving signal
constancy in indoor and reflective environments.
Connect two receiver (or antenna distributor) branches
to the Diversity Fin via coaxial cables (not supplied).
The Diversity Fin has found widespread adoption across
multiple pro audio segments for its performance,
convenience, space, and cost benefits.
Ele ctrical
Operating frequency ...................................470–698 MHz
Bandwidth ....................................................228 MHz
Average return loss ...................................... -9.4 dBm
Impedance ................................................... 50Ω
LPDA
Beam width ..................................................140° azimuth
F/B ratio ........................................................ -8 dBm
F/S ratio ........................................................ -5 dBm
Gain ...............................................................5 dBd
Dipole
Beam width ..................................................100° azimuth
F/B ratio ........................................................ -5 dBm
F/S ratio ........................................................ -13 dBm
Gain ...............................................................1.8 dBd
Physical
Length ...........................................................300mm
Height ...........................................................370mm
Weight ...........................................................454g
Mount threads .............................................. 1/4-20, 3/8-16, 5/8-27
Operating temperature ...............................-23°C–54°C
Color .............................................................Black or white
Connector(s) .................................................(2) BNC female
The Diversity Fin has two elements and two out-
puts. Connect one to each diversity branch of a
receiver or antenna distributor via coaxial cable.