Just because true 5G wireless is edging closer doesn't mean that 4G's peak speeds can't improve in the meantime. Qualcomm has unveiled a new LTE modem, the Snapdragon X20, that promises 1.2Gbps download speeds on mobile devices. That's 20 percent faster than the company's previous best, and enough to make even landline services like Google Fiber seem a bit pokey. The X20 manages the feat through more aggressive carrier aggregation (which bonds carrier frequency ranges) that lets it download 12 unique data streams of up to 100Mbps each. Upload speeds are healthy, too, at 150Mbps.