Folded Dipole Antenna, 2.5 dBd, 138-174 MHz

The 1 Dipole Antenna is a versatile and high-performance antenna designed for VHF communication systems, covering the 138-174 MHz frequency range. It offers a 2.5 dBd gain and features an offset design for enhanced signal reception and transmission. Its low Passive Intermodulation (PIM) ensures superior performance, making it suitable for various applications.

In Stock

Key Features:

  • Moderate Gain: 2.5 dBd gain for improved signal strength and coverage.
  • Low PIM: Ensures minimal signal distortion and superior performance.
  • Offset Design: Provides enhanced signal reception and transmission.
  • Wide Frequency Range: Operates efficiently within the 138-174 MHz VHF range.
  • Durable Construction: Built with high-quality materials for long-lasting reliability.

Specifications:

  • Average gain: Unity (0 dBd)
  • Nominal gain: 2.5 dBd (on Support Pipe)
  • VSWR: ≤1,5:1
  • Polarisation: Vertical
  • H-plane: 190° @ 3 dB Beam Width
  • E-plane: 70° @ 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:11,2 kg
  • Flat plate area: 0,105 m²
  • Material: Aluminium
  • Mounting: With crossover plate assembly
  • Antenna dimensions: H 0,8 m
  • Parcel dimensions: 3,3 kg /85 cm x30 cm x 8 cm

Instructions

  • Mount the Antenna: Securely mount the antenna on a suitable mast or structure using the provided mounting hardware.
  • Connect the Cable: Attach a coaxial cable with an N male connector to the antenna’s N female connector.
  • Position the Antenna: Adjust the antenna for optimal vertical alignment to ensure the best signal coverage.
  • Power On: Connect the other end of the coaxial cable to your VHF radio or communication device and power it on.
  • Testing: Perform a signal test to ensure strong and stable reception and transmission.