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AS-49070 S-Band Quadrifilar Helix Antenna

The depressed cardioid design produces a radiation pattern that has a beam peak located approximately 50° off boresight at the center of the frequency band. The polarization is Right Hand Circular, however, a Left Hand Circular version can be designed if required. The AS-49070 is ideally suited for, and has been deployed in, satellite communications applications where more antenna gain is required at off boresight angles due to increased atmospheric link losses.

Features:

  • Depressed Cardioid Radiation Pattern
  • High-Reliability for Spacecraft Applications
  • Right Hand Circular Polarization

AS-49070 Antenna Specifications

Electrical
Frequency Range 2.10 to 2.30 GHz
VSWR 1.5:1, max
Gain, min 0°  -4.5 dBic
45°  1.6 dBic
70°  0.0 dBic
90°  -3.0 dBic
Impedance 50 ohms reference
Polarization Horizontal
Pattern Depressed Cardioid
Mechanical
Connector SMA Female
Weight 6 lbs max

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