SAR-1248-90-S3

Rev 1.2

Description:
Model SAR-1248-90-S3 is an X-band pyramidal horn antennathat operates from 8.2 GHz to 12.4 GHz. The antenna offers
12 dBi nominal gain and a typical half power beamwidth of
44 degrees on the E-plane and 45 degrees on the H-plane.
The antenna supports linear polarized waveforms. The inputof this antenna is a WR-90 waveguide with UG-39/U flange.

Features:••••

Applications:•••

Rectangular Waveguide Interface
Precisely Machined
Linear Polarization
High Return Loss

Antenna Ranges
Antenna Gain Measurements
System Setups

Electrical Specifications:Parameter

Minimum
8.2 GHz

Frequency
Gain
Polarization
3 dB Beamwidth, E-Plane
3 dB Beamwidth, H-Plane
Sidelobes, E-Plane
Sidelobes, H-Plane
Return Loss
Specification Temperature
Operating Temperature

Typical10.3 GHz
12 dBiLinear44°
45°-20 dB-25 dB
20 dB+25 °C-40 °C

Maximum
12.4 GHz

SAGE Millimeter, Inc.

WR-90 Pyramidal Horn Antenna, 12 dBi Gain

+85 °C

Mechanical Specifications:
Item
Antenna Port
Material
FinishWeightSize
OutlineSpecification
WR-90 Waveguide with UG-39/U Flange
Aluminum
Inside: Chromate Conversion; Outside: Black Paint
8.0 Oz1.97” (L) X 1.46” (W) X 1.85” (H)AR-X12-H1

www.eravant.com | 501 Amapola Ave, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2023 by Eravant

Page | 1

SAR-1248-90-S3

Rev 1.2

Simulated Antenna Patterns @ 8.2 GHz
2015E-Plane

10H-Plane

5Gain (dBi)0-5-10-15-20-25-30-35-40-180-150-120-90-60-300306090120

150

180

Boresight Angle (Degrees)

SAGE Millimeter, Inc.

WR-90 Pyramidal Horn Antenna, 12 dBi Gain

Simulated Antenna Patterns @ 10.3 GHz
2015E-Plane

10H-Plane
5Gain (dBi)0-5-10-15-20-25-30-35-40-180-150-120-90-60-30

030

6090120150

180

Boresight Angle (Degrees)

www.eravant.com | 501 Amapola Ave, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2023 by Eravant

Page | 2

SAR-1248-90-S3

Rev 1.2

Simulated Antenna Patterns @ 12.4 GHz
2015E-Plane

10H-Plane

5Gain (dBi)0-5-10-15-20-25-30-35-40-180-150-120-90-60-300306090120150180

Boresight Angle (Degrees)

SAGE Millimeter, Inc.

WR-90 Pyramidal Horn Antenna, 12 dBi Gain

Simulated Gain vs. Frequency
161412Gain (dBi)

10864
20
8.2

8.8

9.4

1010.6

11.2

11.8

12.4

Frequency (GHz)www.eravant.com | 501 Amapola Ave, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2023 by Eravant

Page | 3

SAR-1248-90-S3Rev 1.2

Simulated 3dB Beamwidth vs. Frequency60503 dB Beamwidth (Degrees)

E-Plane
H-Plane
40

30

20

100
8.2

8.8

9.4

1010.6

11.2

11.8

12.4

Frequency (GHz)

SAGE Millimeter, Inc.

WR-90 Pyramidal Horn Antenna, 12 dBi Gain

Simulated Return Loss vs. Frequency
0-5

Return Loss (dB)

-10-15-20-25-30-35-40
8.2

8.8

9.4

1010.6

11.2

11.8

12.4

Frequency (GHz)www.eravant.com | 501 Amapola Ave, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2023 by Eravant

Page | 4SAR-1248-90-S3

Rev 1.2

Mechanical Outline: (Unless otherwise specified, all dimensions are in inches [millimeters])

Note:
••

This antenna is a mature product. The reasons for only providing simulated data can be found in
the following blog here.
Eravant reserves the right to change the information presented without notice.

Caution:•SAGE Millimeter, Inc.

WR-90 Pyramidal Horn Antenna, 12 dBi Gain

Any foreign objects in the waveguide will cause performance degradation and possible device
damage.

www.eravant.com | 501 Amapola Ave, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2023 by Eravant

Page | 5