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UHF Satcom On-The-Move Antenna Magnetic

243 to 385 MHz

SKU: 21-30-91M

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UHF Satcom On-The-Move Antenna Magnetic

Satcom on-the-Move requires antenna pattern coverage to be as near to hemispherical as possible. The CAL 21-30-91M utilizes a pair of quadrature connected UHF “droopy dipoles” with geometry arranged to maintain radiation coverage within a 120° cone. It is constructed of rugged fiberglass/epoxy with aluminum alloy dipole elements and base housing. The antenna is foam filled for structural integrity and prevention of moisture ingress.

The 21-30-91M is designed for quick installation and deployment on ferrous roofed vehicles and shelters.

The magnetic mount is capable of retaining the antenna securely in position atop a vehicle at highway speeds up to 80 mph and cross country speeds up to 50 mph. If a more permanent fixing is required, the antenna can be fixed down with four no 10 bolts or similar via the 4 holes provided on the base plate. 

21-30-91M
Model # 21-30-91M
Brand Cooper Antennas
Frequency 243 - 385 MHz 
Gain (typical) +6 dBiC at zenith
VSWR ≤ 1.5:1
Impedance (nominal)  50 Ohms
Power 200 Watts CW
Polarization Right Hand Circular (at zenith) 
Antenna RF Connector N Female
Height 14.1 inches (358mm) 
Dipole span   12.6 inches (320mm)
Mounting Magnetic mount or 4 hole fixing 
Weight (approx.) 2.8 lbs (1.3kg)
Operational Temperature -25°C to + 71°C 

Finish

  • Antenna - Desert Sand
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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