Flat Panel ArrayAntenna
17-21 GHz

Preliminary Datasheet

K-FPA-1721

K-band Fixed Beam Flat Panel Antenna 17-21 GHz.

Overview

The K-FPA-1721 passive flat panel technology
developed by ReliaSat is a high-performancesolution for modern communication systems.
It can be used for satellite communications aswell as 5G systems. Offering a small profile andflat geometry, this technology enables wide
operational bandwidth, good polarization purity
and high gain in accordance with customer needs.

Features•••••••••

17-21 GHz frequency range
19 GHz center frequencyPolarization LHCP or RHCP
Fits cubesats

Applications

Satellite communications
Ground - satellite - groundcommunications
5G
High data rate throughput system
Fixed Beam

Available With The Following Connectors

K-FPA-1721

Issue Date: 06/03/2023

Product CodeConnector Type

Polarization

K-FPA-1721-L8498EC

Edge mountconnector

LHCP

K-FPA-1721-L8498VC

Vertical connector

LHCP

K-FPA-1721-R8498EC

Edge mountconnector

RHCP

K-FPA-1721-R8498VC

Vertical connector

RHCP

DOC REV 7

Page 1 of 4

Information furnished by ReliaSat is believed to be accurate. No responsibility is assumed by ReliaSat for its use, nor for any infringements on the rights of other parties that may
result for the use of the information herein. All specifications are subject to change without notice.

Flat Panel Array
Antenna
17-21 GHz

Preliminary Datasheet

FPA Specification
Parameter

Value

Unit

Frequency Band

17-21

GHz

VSWR

<1.65

GHz

Peak Gain>20dB

Half-Power Beamwidth (HPBW)

9 - 11DegreesPolarization

LHCP or RHCP

Preconfigurable

Axial Ratio<3dB

Power Handling

5WConnector

K (rear mounted)

Mass
Dimension (Excl. Connector)<50grams

84 x 98mmRealized Gain & Axial ratio

Frequency (GHz)K-FPA-1721

Issue Date: 06/03/2023

DOC REV 7

Page 2 of 4

Information furnished by ReliaSat is believed to be accurate. No responsibility is assumed by ReliaSat for its use, nor for any infringements on the rights of other parties that may
result for the use of the information herein. All specifications are subject to change without notice.

Flat Panel Array
Antenna
17-21 GHz

Preliminary Datasheet

VSWR

Frequency (GHz)Power (dB)Radiation Pattern at 19 GHz (Phi = 90)

Theta (Degrees)

K-FPA-1721

Issue Date: 06/03/2023

DOC REV 7

Page 3 of 4

Information furnished by ReliaSat is believed to be accurate. No responsibility is assumed by ReliaSat for its use, nor for any infringements on the rights of other parties that may
result for the use of the information herein. All specifications are subject to change without notice.

Flat Panel Array
Antenna
17-21 GHz

Preliminary Datasheet

Power (dB)Radiation Pattern at 19 GHz (Phi = 0)

CubeSat Configuration

Theta (Degrees)Contact Information
ReliaSat European Offices
e: sales@reliasat.com
K-FPA-1721

ReliaSat USA Officee: emilie.schmitz@reliasat.com

www.reliasat.com
Issue Date: 06/03/2023

DOC REV 7

Page 4 of 4

Information furnished by ReliaSat is believed to be accurate. No responsibility is assumed by ReliaSat for its use, nor for any infringements on the rights of other parties that may
result for the use of the information herein. All specifications are subject to change without notice.