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UHF Satcom Antenna

225 to 400 MHz

SKU: 21-30-29-1

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UHF Satcom Antenna

The 21-30-29/1 is a combined Hi-Lo angle UHF Satcom Antenna designed for installation on military vehicle roof, shelter or housing via a 4 hole mounting plate. The 21-30-29/1 coaxial connectors are fitted to the side of the base.

The antennas consist of two co-located elements; a circularly polarized cross-dipole and a linearly polarized broadband monopole. The two elements have separate RF feeds, and by manual selection of either, full hemispheric pattern coverage is provided. The Lo angle mode is intended for elevation angles up to about 45° and the Hi angle for approximately 45° to zenith.

Construction is from rugged fiber glass, foam-filled for structural integrity and prevention of moisture ingress with aluminum alloy dipole elements and base housing. 

  • Suitable for vehicular, ship borne and shelter installations
  • Robust Construction
  • Hemispherical radiation pattern coverage with separate Hi and Lo angle elements
  • All Weather operation
  • 200 Watts CW Power handling
  • Designed to MIL-STD-810 environmental requirements
  • 4 hole mounting plate 
21-30-29-1
Model # 21-30-29/1
Brand Cooper Antennas
Frequency

Lo Angle

Hi Angle

225 - 400 MHz

225 - 400 MHz

Gain

Lo Angle

Hi Angle

+3 dBiL (Typical)

+8 dBiC (Typical) 

VSWR

Lo Angle

Hi Angle

≤ 3.0:1 

≤ 1.5:1 

 

Impedance (nominal)  50 Ohms
Power 200 Watts CW
Polarization

Lo Angle

Hi Angle

Linear 

Right Hand Circular (maximum at zenith)

Antenna RF Connector

Lo Angle

Hi Angle

TNC Female

N Female

Overall Height 10.55 inches (268 mm) 

Dipole span  

19.9 inches (505 mm)

Weight 2.75 lbs (1.25 kg)
Operational Temperature  - 66°F (- 54 °C) to + 160°F (+71°C)

Finish

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

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