The good news: Samsung has made a breakthrough that inches us closer to having 5G mobile broadband technology at our fingertips. The bad news: it likely won't be available to the public until around 2020. According to their Samsung blog:

Samsung Electronics announced that it has successfully developed the world’s first adaptive array transceiver technology operating in the millimeter-wave Ka bands for cellular communications. The new technology sits at the core of 5G mobile communications system and will provide data transmission up to several hundred times faster than current 4G networks.

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