High Gain Stacked Dipole Array

2.2 - 2.6 GHz

SKU: 21-40-81

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High Gain Stacked Dipole Array

The 21-40-81 is a co-linear stack of “3 dimensional” dipoles phased in such a way as to provide high gain at zero degrees elevation. The precision machined dipoles are contained within a high strength glass epoxy cylindrical radome and the entire assembly is foam filled for long term environmental protection.

The 21-40-81 is suitable for use on aircraft operating up to 350 knots. 

  • +6 dBi Gain
  • Low Silhouette
  • High strength
  • Designed to MIL-STD-810 environmental conditions
  • For helicopter and fixed wing aircraft up to 350 knots
21-40-81
Model # 21-40-81
Brand Cooper Antennas
Frequency 2.2 - 2.6 GHz 
Gain ≥ +6dBiL
VSWR 2:1 
Impedance (nominal) 50 Ohms
Power 50 watts
Polarization Vertical
Antenna RF Connector  N Female
Height 15 inches (381mm) max 
Diameter 2 inches (51mm) 
Weight 2.5 lbs max (1.13kgs)
Fixing Holes 6 x Ø 0.25 inches (6.35mm) equi-spaced on a 5 inches (127.0mm) P.C.D. 
Environmental

Designed to

Environmental

MIL-STD-810 

Finish

  • Urethane Lusterless Black
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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