CPI 1.8 Meter Ka-Band-Circular Antenna

Electrical

Ka-Band Circular

Ka-Band Circular

Ka-Band Linear

Antenna Size

1.8 M

1.8 M

1.8 M

Operating Frequency (GHz)  Receive

Transmit

20.20 - 21.20 GHz

30.00 - 31.00 GHz

19.40 - 21.20 GHz

29.20 - 31.00 GHz

18.70 - 21.20 GHz

27.00 - 31.00 GHz

Midband Gain ( +/- .5 dB)

Receive Transmit

49.40 dBi

52.60 dBi

49.20 dBi

52.40 dBi

49.20 dBi

52.40 dBi

VSWR

1.25:1 max

1.3:1 max

Rx: 1.5:1 max

Tx: 1.3:1 max

Pattern Beamwidth

(in degrees at midband)

-3dB

-15dB

Rx: 0.56°

Rx: 1.26°

Tx: 0.38°

Tx: 0.86°

Rx: 0.57°

Rx: 1.28°

Tx: 0.39°

Tx: 0.87°

Rx: 0.58°

Rx: 1.31°

Tx: 0.40°

Tx: 0.88°

Sidelobe Envelope, Co-Pol (dBi) 100 λ/D ≤ θ ≤ 20°

20° < θ ≤ 26.3°

26.3° < θ ≤ 48°

θ < 48°

29 - 25 Log θdBi

-3.5 dBi

32 - 25 Log θdBi

-10 dBi (averaged).

29 - 25 LogθdBi

-3.5 dBi

32 - 25 LogθdBi

-10 dBi (averaged)

29 - 25 Logθ dBi

-3.5 dBi

32 - 25 Logθ dBi

-10 dBi (averaged)

Antenna Noise Temperature  5° Elevation

10° Elevation

20° Elevation

40° Elevation

162 K

131 K

108 K

94 K

162 K

131 K

108 K

94 K

165 K

134 K

111 K

97 K

Power Handling

100 W

100 W

100 W

Cross Polarization Isolation On Axis

Within 1.0 dB Beamwidth

> 30 dB

> 27 dB

Rx > 15 dB Tx > 17.7 dB Rx > 15 dB Tx > 17.7 dB

Rx > 30 dB Tx > 35 dB Rx > 25 dB Tx > 26 dB

Output Waveguide Interface

Rx: WR42

Tx: WR28

Rx: WR42

Tx: WR28

Rx: WR42

Tx: WR28

Mechanical

Reflector Material

Glass Fiber Reinforced Polyester SMC, Ka-Band Formulation

Antenna Optics

Prime Focus, Offset Feed

Mast Pipe Size

5.0” SCH 40 Pipe (5.56” OD) 14.1 cm

Elevation Adjustment Range

5°to 90°, Continuous Fine Adjustment

Azimuth Adjustment Range

± 10°Fine Adjustment, 360°Continuous

Shipping Specifications (Approximate Net Weight):

295 lbs. (134 kg.)