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Amazon's Satellite Internet Service Starts to Take Shape With Antenna Prototype

'Our prototype is already delivering speeds up to 400Mbps,' the company says in revealing the antenna system for its 'Project Kuiper' satellite internet service.

 & Michael Kan Principal Reporter

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(Credit: Amazon)


SpaceX isn’t the only company working on a next-generation satellite internet service. On Wednesday, Amazon gave an update on its own system: Project Kuiper

The e-commerce company is still a ways behind SpaceX’s own Starlink program, which is already serving beta customers in the northern US. However, Project Kuiper could make things more competitive. 

In a blog post, Amazon explained its approach to developing the antenna terminal that Project Kuiper customers will one day install at their homes to receive high-speed internet. The company has consolidated the hardware into a prototype that measures 12 inches in diameter, “making it three times smaller and proportionately lighter than legacy antenna designs,” it said. 

The Project Kuiper antenna system
(Credit: Amazon)

But perhaps more importantly, the prototype antenna is simple to mass produce. “The reduction in size and complexity will allow Amazon to reduce production costs, contributing to the team’s goal of providing customers a terminal that is affordable and easy to install,” the company said in a separate blog post. 

The other important factor is speed. “Our prototype is already delivering speeds up to 400Mbps (Megabits per second), and performance will continue to improve in future iterations,” the company added. 

An Amazon engineer working on the prototype
(Credit: Amazon)

Amazon also recently tested the prototype in different environments, and found it was capable of streaming 4K content from a geostationary satellite in orbit that's 50 times further away than where Project Kuiper satellites are slated to be deployed.

The company refrained from saying how much the equipment would cost future customers. SpaceX has been charging beta users a $499 one-time fee for the necessary equipment, which includes a 23-inch satellite dish. The service is currently capable of download speeds at 150Mbps or higher, but SpaceX’s goal is to eventually upgrade the network to 1Gbps as the company launches more satellites into orbit.

The other big difference is how Starlink has already begun rolling out to actual customers in the ongoing beta. Project Kuiper, on the other hand, has only secured approval from the FCC to send 3,236 satellites into low orbit; none of them have gone up. Nevertheless, Amazon plans on investing more than $10 billion into the satellite internet system.

About Our Expert

Michael Kan

Michael Kan

Principal Reporter

My Experience

I've been a journalist for over 15 years. I got my start as a schools and cities reporter in Kansas City and joined PCMag in 2017, where I cover satellite internet services, cybersecurity, PC hardware, and more. I'm currently based in San Francisco, but previously spent over five years in China, covering the country's technology sector.

Since 2020, I've covered the launch and explosive growth of SpaceX's Starlink satellite internet service, writing 600+ stories on availability and feature launches, but also the regulatory battles over the expansion of satellite constellations, fights with rival providers like AST SpaceMobile and Amazon, and the effort to expand into satellite-based mobile service. I've combed through FCC filings for the latest news and driven to remote corners of California to test Starlink's cellular service.

I also cover cyber threats, from ransomware gangs to the emergence of AI-based malware. In 2024 and 2025, the FTC forced Avast to pay consumers $16.5 million for secretly harvesting and selling their personal information to third-party clients, as revealed in my joint investigation with Motherboard.

I also cover the PC graphics card market. Pandemic-era shortages led me to camp out in front of a Best Buy to get an RTX 3000. I'm now following how the AI-driven memory shortage is impacting the entire consumer electronics market. I'm always eager to learn more, so please jump in the comments with feedback and send me tips.

The Best Tech I've Had:

  • My first video game console: a Nintendo Famicom
  • I loved my Sega Saturn despite PlayStation's popularity.
  • The iPod Video I received as a gift in college
  • Xbox 360 FTW
  • The Galaxy Nexus was the first smartphone I was proud to own.
  • The PC desktop I built in 2013, which still works to this day.

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