4-Stack VHF Folded Dipole Array Antenna, 138 – 174MHz

The 4-Stack VHF Folded Dipole Array Antennas are engineered for outstanding performance in VHF communication applications. Featuring a sophisticated folded dipole design with four stacked elements, these antennas deliver exceptional signal strength and clarity for professional and high-demand uses.

Available On Demand

Key Features:

  • Folded Dipole Design: Incorporates a folded dipole configuration for improved bandwidth and reduced interference.
  • Quad Stack Configuration: Four dipole elements stacked to enhance gain and signal reliability.
  • Robust Construction: Made from high-quality, weather-resistant materials for durability in challenging environments.
  • Wide VHF Range: Optimized for VHF frequencies, ensuring excellent performance across a broad spectrum.

Specifications:

  • Frequency Range: 138 – 174 MHz
  • Average gain: 6 dBd
  • Nominal gain: 8 dBd (on Support Pipe)
  • VSWR: ≤1,5:1
  • Polarisation: Vertical
  • H-plane: 190° @ 3 dB Beam Width
  • E-plane: 16° @ 3 dB Beam Width
  • Rated power: 150 W
  • Impedance: 50 Ω
  • Termination: N Male
  • Surge protection: All metal parts are directly grounded

Mechanical Data

  • Wind velocity: ≤ 200 km/h
  • Wind load @ 144 km/h: 53,8 kg
  • Flat plate area: 0,504 m²
  • Material: Aluminium
  • Mounting: With crossover plate assembly (support pipe optional extra)
  • Antenna dimensions: H 7,0 m
  • Parcel dimensions: 13,6 kg / 4 off 85 cm x 30 cm x 8 cm + 1 off, 47 cm x 42 cm x 7 cm

Instructions

  • Assemble the array using the provided components, following the assembly diagram.
  • Mount the antenna at a height and location that optimizes signal reception and transmission.
  • Connect the antenna to your VHF transceiver with the supplied coaxial cable.
  • Fine-tune the antenna’s alignment for optimal performance and signal strength.