Iridium Satellite Frequency Bands: Operating Frequencies Explained
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This page describes Iridium Satellite operating frequencies. It mentions Iridium satellite frequency between two iridium satellites, between iridium terminal and iridium satellite, and between gateway or earth station and iridium satellite. The Iridium satellite frequency includes L band and Ka bands.
Introduction:
The Iridium satellite system consists of 66 low earth orbiting satellites, iridium satellite phone terminals, and satellite earth stations or gateways. This is shown in the figure below.
The table below mentions all the frequencies used between these Iridium satellite systems.
| Iridium Satellite Frequency | Description |
|---|---|
| Between Two Iridium Satellites | 23.18 to 23.38 GHz |
| Between Iridium Phone Terminal and Satellite | L band in the range from 1621.35 to 1626.5 MHz used for both uplink and downlink |
| From Earth Station to Iridium Satellite (Uplink) | 29.1 to 29.3 GHz |
| From Iridium Satellite to Earth Station (Downlink) | 19.4 to 19.6 GHz |
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