Aldena ACF0202217

Aluminum models: ACF0202217/16/15

Stainless Steel models: ACF0202237/36/35

The FM line from Aldena includes dipoles and panel antennas for different directional or omni-directional layouts, antennas for installation on square or triangular masts or towers. All types of antenna are available in horizontal, vertical, circular or elliptical polarization.
All FM dipole antennas from Aldena are made of stainless steel or hot dip galvanized steel in order to guarantee longer-than-average durability, even in harsh climate conditions (such as high levels of pollution, air salinity or acid rain). All dipole antennas are able to be pressurized, which is a characteristic of the most complex antenna systems and it is often necessary to guarantee reliability.

  • Double-crossed dipole aluminium antenna
  • Omnidirectional pattern with preferred direction
  • Suitable for high power FM arrays
  • Broadband 87.5 / 108 MHZ
  • Demountable
  • Pressurizable

ELECTRICAL DATA

  • WORKING BAND:87.5÷108 MHz
  • BANDWIDTH:FM band
  • GAIN:0.45 dBd (2.65 dBi)
  • VSWR:ACF020221x ≤ 1.4:1 (-15.5 dB)
  • ACF020223x ≤ 1.35:1 (-16.5 dB)
  • VSWR (Hi or Lo version):ACF020221x ≤ 1.3:1 (-17.7 dB)
  • ACF020223x ≤ 1.27:1 (-18.5 dB)
  • POLARIZATION:Circular
  • IMPEDANCE:50 Ohm unbalanced
  • HALPOWER BEAMWIDTH:Vertical component - E-Plane - 87°
  • Vertical component - H-Plane - 219°
  • Horizontal component - E-Plane - 90°
  • Horizontal component - H-Plane - 360°
  • LIGHTNING PROTECTION:all metal parts DC grounded including inner conductors

MECHANICAL DATA

  • MATERIALS:bracket and bolts in hot galvanized steel, teflon isolators, silicon O-Rings, aluminum internal line, dipoles and body in aluminum (ACF020221x models) or stainless steel (ACF020223x models)
  • MOUNTING:directly on supporting structure
  • MOUNTING BRACKETS:included for Ø 60÷114mm. pipe
  • ICING PROTECTION:teflon radome
  • TREATMENTS:hot galvanized bracket, dipoles and body military grade treated MIL-C-5541, silver-plated internal lines
  • PRESSURIZZATION:5.0 psi
  • ANTENNA DIMENSIONS:1155x1155x1580 mm
  • WEIGHT:ACF020221x - 14 Kg
  • ACF020223x - 21 Kg
  • WIND SURFACE:0.09 m2 front - 0.20 m2 side
  • WIND LOAD (at 160Km/h and 30° C air temperature):7.39 Kg front - 21.82 Kg side
  • SURVIVAL WIND:220Km/h
  • PACKING DIMENSIONS:ACF020221x - box 1760x370x140 mm - 17Kg gross
  • ACF020223x - box 1760x1000x140 mm - 31Kg gross

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