---
title: "GSAT Satellite Series: ISRO's Comsats | Model Diplomat"
description: "GSAT is ISRO's family of geostationary communication satellites for telecom, broadcasting and broadband, distinct from the INSAT series. Key facts for UPSC GS3."
url: "https://modeldiplomat.com/learn/glossary/gsat-satellite-series"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- GSAT is the Indian Space Research Organisation's series of geostationary communication satellites providing telecommunication, broadcasting, broadband, and strategic connectivity services across India.
- How does the GSAT series differ from the INSAT series?
- Why was GSAT-20 launched on a SpaceX Falcon 9 rather than an Indian rocket?
- What role does NewSpace India Limited play in the GSAT programme?
- What frequency bands do GSAT satellites operate in?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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In November 2024, NewSpace India Limited's GSAT-20 (GSAT-N2), a Ka-band high-throughput communication satellite, was launched aboard a SpaceX Falcon 9 because its mass exceeded India's indigenous LVM3 lift capacity.

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