NTN Explorer — satellites, non-terrestrial networks and direct-to-device, explained

A free, interactive guide to satellite communications: how satellites connect phones and networks, 69 constellations compared, the trends reshaping the industry, and a free course on 5G non-terrestrial networks.

• What is NTN
• Direct-to-Device
• Satellite phones
• Lasers in space
• Data centers in space
• Trends
• Orbits
• Frequency bands
• Constellations
• Training
• Glossary