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Central folded dipole 145-175 MHz

S.1-160 | Amphenol Procom
The Amphenol-Procom 145-175 MHz center-folded dipole is a VHF antenna for PMR, trunked radio, broadcast, and VHF aeronautical band applications, designed to offer reliable operation even in harsh environmental conditions. It supports linear vertical or horizontal polarization, a maximum power of 150 W, a 50 Ohm impedance, and an IP68 rating. Stacked arrays can be created using multiple dipoles mounted on a tower and connected with a phasing harness.
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Description
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Description

The 145-175 MHz center folded dipole is a VHF antenna designed by Amphenol-Procom for PMR, trunked radio, broadcast, and VHF aeronautical band applications. Its rugged construction and high-quality manufacturing standards help ensure reliable operation even in harsh environments. Additionally, multiple dipoles can be installed on a tower and connected with a phasing harness to create a high-gain stacked array.

This model operates in the 145-175 MHz band, supports a maximum input power of 150 W, and offers selectable vertical or horizontal linear polarization. It features a female N connection on 3 m RG213/U cable, 50 Ohm impedance, VSWR less than 1.5:1, and anti-static protection with all metal parts DC-grounded. Construction includes an aluminum boom, 32 mm diameter aluminum elements, a 12.7 mm diameter aluminum balun, and a fully molded enclosure. The IP68 protection rating supports use in exposed outdoor environments.

Main Features

  • Frequency band 145-175 MHz
  • VHF center fed folded dipole antenna for PMR, trunked radio, broadcast and VHF aeronautical band
  • Maximum input power of 150 W
  • Linear polarization vertical or horizontal
  • 3 dB beamwidth in E-Plane of 80 degrees
  • H-Plane omni, dependent on mounting distance from the mast
  • Gain 0 dBd, dependent on mounting distance from the mast
  • Impedance of 50 Ohm
  • VSWR less than 1.5:1
  • Connection N female on 3 m RG213/U cable
  • Dimensions 1330 x 830 x 95 mm
  • Approximate weight 2.8 kg
  • Wind load 111 N at 160 km/h
  • IP68 rating
  • High-gain stacked array capability with multiple dipoles and phasing harnesses

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