ReliaSat's Product Range Unlocks the Potential of Ku, K, and Ka Bands in LEO Satellites

ReliaSat's Product Range Unlocks the Potential of Ku, K, and Ka Bands in LEO Satellites

In the dynamic realm of satellite communications, especially for LEO satellites, frequency bands like Ku, K, and Ka have become pivotal. As we progress further into the age of space technology, understanding the unique benefits of these bands is crucial. The choice of frequency band – Ku, K, and Ka – for LEO Satellites hinges on the specific mission requirements. Whether it’s broadcasting, internet services, or scientific research, each band offers distinct advantages that can be leveraged to maximize the effectiveness of satellite communications. Understanding these nuances is crucial, and this is where ReliaSat steps in to offer tailored solutions.

ReliaSat specializes in providing state-of-the-art antennas designed to operate across Ku, K, and Ka-Band frequencies, ensuring a wide range of options for various satellite communication needs. Their portfolio includes uplink and downlink transceivers for K/Ka bands, along with a specialized Ku downlink transceiver, each engineered to offer reliable and high-quality communication links. 

Recognizing that each satellite mission is unique, they also provide bespoke solutions to meet specific customer requirements. Our team of experts works closely with clients to understand their specific needs and challenges, offering customized equipment and systems that align perfectly with their mission objectives.

With ReliaSat’s commitment to quality and customization, they ensure that their clients are not just choosing a frequency band for their LEO satellites but are also partnering with a company that is dedicated to maximizing the potential of their satellite communications through innovative and tailored technology solutions.

Ku-Band: The Versatile Choice

Operating between 12-18 GHz, the Ku-band offers a balance of coverage and capacity.


  • Cost-Effectiveness: More affordable for end users, facilitating broader accessibility.
  • Compact Equipment: Enables the use of smaller antennas, reducing physical and logistical constraints.
  • Wide Coverage: Capable of covering extensive areas, ideal for broadcast services.

K-Band: Bridging the Gap

Operating between 18-26.5 GHz, the K-band band is often used in Radar and astronomical observations. K Band fills the gap between Ku and Ka Bands.


  • High Resolution: Excellent for detailed Earth observation and scientific research.
  • Minimal interference: Reduced congestion in this band allows for clearer signals.

Ka-Band: The High-Capacity Workhorse

Ranging from 26.5-40 GHz, the Ka-Band is synonymous with high-capacity data transmission.


  • High Data Rates: Ideal for broadband services, offering speeds that can rival terrestrial networks.
  • Efficient Frequency Use: More bandwidth availability, allowing for higher data throughput.
  • Focused Beams: Smaller beam sizes lead to less interference and more targeted coverage.

LEO Satellites: A Perfect Match


Low Earth Orbit (LEO) Satellites, orbiting closer to Earth, can effectively utilize these bands for various applications, from internet services to climate monitoring.

LEO Mega-Constellation Key Players

  • SpaceX’s Starlink: Utilizes Ku and Ka Bands to provide global internet coverage
  • OneWeb: Employs Ku Band for its constellation, offering connectivity solutions
  • Telesat: Uses Ka-Band for their constellations, providing global, high-speed broadband internet connectivity.
  • Amazon’s Project Kuiper: Utilizes Ka-Band for satellite communications

Click here to learn more about ReliaSat's Space Products on SatNow.

Publisher: SatNow


  • Country: United Kingdom
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GNSS Constellations - A list of all GNSS satellites by constellations


Satellite NameOrbit Date
BeiDou-3 G4Geostationary Orbit (GEO)17 May, 2023
BeiDou-3 G2Geostationary Orbit (GEO)09 Mar, 2020
Compass-IGSO7Inclined Geosynchronous Orbit (IGSO)09 Feb, 2020
BeiDou-3 M19Medium Earth Orbit (MEO)16 Dec, 2019
BeiDou-3 M20Medium Earth Orbit (MEO)16 Dec, 2019
BeiDou-3 M21Medium Earth Orbit (MEO)23 Nov, 2019
BeiDou-3 M22Medium Earth Orbit (MEO)23 Nov, 2019
BeiDou-3 I3Inclined Geosynchronous Orbit (IGSO)04 Nov, 2019
BeiDou-3 M23Medium Earth Orbit (MEO)22 Sep, 2019
BeiDou-3 M24Medium Earth Orbit (MEO)22 Sep, 2019


Satellite NameOrbit Date
GSAT0223MEO - Near-Circular05 Dec, 2021
GSAT0224MEO - Near-Circular05 Dec, 2021
GSAT0219MEO - Near-Circular25 Jul, 2018
GSAT0220MEO - Near-Circular25 Jul, 2018
GSAT0221MEO - Near-Circular25 Jul, 2018
GSAT0222MEO - Near-Circular25 Jul, 2018
GSAT0215MEO - Near-Circular12 Dec, 2017
GSAT0216MEO - Near-Circular12 Dec, 2017
GSAT0217MEO - Near-Circular12 Dec, 2017
GSAT0218MEO - Near-Circular12 Dec, 2017


Satellite NameOrbit Date
Kosmos 2569--07 Aug, 2023
Kosmos 2564--28 Nov, 2022
Kosmos 2559--10 Oct, 2022
Kosmos 2557--07 Jul, 2022
Kosmos 2547--25 Oct, 2020
Kosmos 2545--16 Mar, 2020
Kosmos 2544--11 Dec, 2019
Kosmos 2534--27 May, 2019
Kosmos 2529--03 Nov, 2018
Kosmos 2527--16 Jun, 2018


Satellite NameOrbit Date
Navstar 82Medium Earth Orbit19 Jan, 2023
Navstar 81Medium Earth Orbit17 Jun, 2021
Navstar 78Medium Earth Orbit22 Aug, 2019
Navstar 77Medium Earth Orbit23 Dec, 2018
Navstar 76Medium Earth Orbit05 Feb, 2016
Navstar 75Medium Earth Orbit31 Oct, 2015
Navstar 74Medium Earth Orbit15 Jul, 2015
Navstar 73Medium Earth Orbit25 Mar, 2015
Navstar 72Medium Earth Orbit29 Oct, 2014
Navstar 71Medium Earth Orbit02 Aug, 2014


Satellite NameOrbit Date
NVS-01Geostationary Orbit (GEO)29 May, 2023
IRNSS-1IInclined Geosynchronous Orbit (IGSO)12 Apr, 2018
IRNSS-1HSub Geosynchronous Transfer Orbit (Sub-GTO)31 Aug, 2017
IRNSS-1GGeostationary Orbit (GEO)28 Apr, 2016
IRNSS-1FGeostationary Orbit (GEO)10 Mar, 2016
IRNSS-1EGeosynchronous Orbit (IGSO)20 Jan, 2016
IRNSS-1DInclined Geosynchronous Orbit (IGSO)28 Mar, 2015
IRNSS-1CGeostationary Orbit (GEO)16 Oct, 2014
IRNSS-1BInclined Geosynchronous Orbit (IGSO)04 Apr, 2014
IRNSS-1AInclined Geosynchronous Orbit (IGSO)01 Jul, 2013