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CA-1400 Series UHF Low Power Omnidirectional Array Antennas

Units are available from a single dipole element with a gain of 1.5 dbi to an eight-element array with a gain of 8 dbi.

These antennas are parallel fed, broadband, multielement colinear arrays which provide vertically polarized, omnidirectional coverage for power levels up to 50 watts.

The antennas normally provide maximum signal intensity along the horizon. Upon request, some of the multielement units can be supplied with a nominal upward beamtilt to minimize the effects of ground reflections.

The CA-1400 Series antennas have been designed for ruggedness, lightweight and minimum size. They are constructed for operation in sustained winds to 120 mph and to meet the Type I Vibration requirements of MIL-STD-167 and the Service Conditions of MIL-STD-810B.

CA-1400 Series Antenna Specifications

Electrical
Frequency range 225 – 400 MHz
VSWR 2.0:1 max
Polarization Vertical
Azimuth coverage Elevation half-power beam width
Zenith coverage Figure-eight dipole pattern with maximum at horizon
Elevation half-power beam width See Table 1
Power handling 50 watt average
Table 1
  CA-1401 CA-1402 CA-1404 CA-1406 CA-1408
No. of elements 1 2 4 6 8
Minimum gain 1.5 dBi 3.5 dBi 5.5 dBi 7.0 dBi 8.0 dBi
Nominal elevation half-power beam width 70° 35° 18° 14° 10°
Mechanical
Connector Type N receptacle
Finish Green, gray, or white epoxy polyamide
  CA-1401 CA-1402 CA-1404 CA-1406 CA-1408
Weight (lbs) 7 16 30 40 70
Height (in.) 26 64 122 160 212
Radome dia. (in.) 3.5 3.5 3.5 3.0 5.0
Base flange dia. (in.) 6.5 6.5 6.5 7.0 9.0
No. mounting bolts 4 4 4 6 6
Bolt circle dia. (in.) 5.5 5.5 5.15 5.75 7.75
Bolt hole size (in.) 0.562 0.562 0.562 0.562 0.562
Options*
  Beamtilt (10°)
  Stackable
  High power
 
Add suffix “T” to model number
Add suffix “S” to model number
Add suffix “HP” to model number
*Available options vary with model. Options may change interface dimensions.
Consult the factory for specific details.

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