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Broadband Dipole Antenna

135 to 175 MHz

SKU: 20-20-08-1

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Broadband Dipole Antenna

Covering the VHF frequency band 135 to 175 MHz, the 20-20-08-1 is a lightweight antenna intended for ground and shipboard use.

Construction uses an advanced GRP encased radiating element bonded into a machined aluminum base, suitable for prolonged use in a marine shipboard environment.

Unique design ensures good elevation pattern throughout the frequency band and passive matching housed within the base maintains VSWR within 2.0:1 and provides exceptional gain for such a small overall structure.

  • Covers VHF band 135 to 175 MHz
  • Robust Glass Reinforced Plastic construction
  • Lightweight
  • Designed to MIL-STD-810 Environmental Specification
  • 46.6 inch height
  • Omnidirectional azimuthal radiation pattern
  • 100 Watts power handling 
20-20-08-1
Model # 20-20-08-1
Brand Cooper Antennas
Frequency 135-175 MHz 
Gain (typical) +2 dBi average thru band 
VSWR ≤ 2.0:1 
Impedance (nominal)  50 Ohms
Power 100 Watts average
Polarization Vertical
Radiation Omni directional in azimuth plane
Antenna RF Connector N Female
Antenna Shell Type GRP radome in aluminium alloy base collar
Overall Height 46.62 inches max (1184mm)
Weight 4.4 lbs max (2kg) 
Element Diameter  2.25 inches max (57mm)  
Base Plate Shape Round 4.5 inch (114.3mm) dia.
Fixing Holes  4 x 0.28 inch (7.1mm) holes of 0.25 inch (6.3mm) bolts on 3.87 A 3.87 inch (98.3mm) PC dia. 

Finish

  • Antenna - Urethane lusterless Grey
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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