Dipole AntennasS.1H-165

Heavy duty high power centre fed folded dipole 155 - 175 MHz

Description

  • A Heavy Duty, VHF Center Fed Dipole antenna for PMR/Trunked Radio, Broadcast and VHF Aircraft Band applications.
  • Multiple dipoles can be mounted on a tower and connected with a phasing harness to form a high gain, stacked array.
  • Produced to the highest quality standards, these robust antenna designs will insure reliable operation in harsh environmental conditions.
  • Former Skymacasts brand product.

Specifications

Electrical
Model S.1H-165
Frequency 155 - 175 MHz
Max. Input Power 500 W
Polarisation Vertical
3 dB Beamwidth, E-Plane 85 °
3 dB Beamwidth, H-Plane Omni - will depend on mounting distance from mast.
Impedance 50 Ω
Gain 0 dBd (omni - will depend on mounting distance from mast)
VSWR < 1.5:1
Front-To-Back Ratio 4 dB (when mounted on conductive pole)
Antistatic Protection All metal parts DC-grounded (Connector shows a DC-short)
Mechanical
Elements 19 x 1.6 mm dia. / 0.75 x 0.06 in.
wall aluminium alloy grade 6063T6
Connection(s) N(f) on 3m RG213/U cable
Boom Material 48.4 x 4.5 mm dia. / 1.91 x 0.18 in.
wall aluminium alloy grade 6082T6
Fasteners Stainless steel grade A2-70
Length Approx. 1500 mm / 59.06 in.
Element Clamps Machined aluminium alloy
Wind Load 188 N (160 km/h)
Weight Approx. 4.6 kg / 10.14 lb.
Balun Encapsulant Polyurethane Resin U-600

Diagram and Mounting

RADIATION PATTERNS

E-Plane | 165 MHz E-Plane | 165 MHz

RADIATION PATTERNS

H-Plane | 165 MHz H-Plane | 165 MHz

Ordering Designations

Model Product No. Frequency
Heavy duty high power centre fed folded dipole S.1H-165 155 - 175 MHz