DARPA begins work on 100GB per second

DARPA has begun development of a wireless communications link that is capable of 100 gigabits per second over a range of 200 kilometers. Officially dubbed “100 Gb/s RF Backbone”, the program will provide the US military with networks that are around 500 times faster than its current wireless links.

In essence, DARPA wants to give deployed soldiers the same kind of connectivity as a high-bandwidth, low-latency fiber-optic network. In the case of Afghanistan, for example, the US might have a high-speed fiber link to Turkey — but the remaining 1,000 miles to Afghanistan most likely consists of low-bandwidth, high-latency links. It’s difficult (and potentially insecure) to control UAVs or send/receive intelligence over these networks, and so the US military instead builds its own wireless network using Common Data Link.

Suffice it to say, transmitting 100Gbps through the air is rather difficult; your home WiFi network probably maxes out at around 100Mbps, some thousand times slower.

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