NASA is developing a first-if-its-kind modem that incorporates light-based technology to help enable dramatically faster communications between spacecraft and ground stations.
The device, which is scheduled to be tested on board the International Space Station in 2020, is part of a broader NASA project called the Laser Communications Relay Demonstration (LCRD). This laser system, which the space agency says could dramatically overhaul today’s radio frequency (RF) communications, will enable data transmissions at rates 10 to 100 times faster than what’s currently possible.
It’s not the first time NASA has experimented with laser communications in place of radio signals. In 2013, the agency achieved record-breaking download and upload speeds to and from lunar orbit – at 622 megabits per second (Mbps) and 20 Mbps respectively – with its Lunar Atmosphere and Dust Environment Explorer (LADEE).
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