Lower-cost, space-based mobile phone services will soon be a reality ... With all these satellites, low-Earth orbit - an altitude of 2,000km (1,200 miles) or less above the planet - is becoming ...

Learn more Tello Mobile makes a strong case for those seeking a low-cost cell carrier with unlimited data options, free hotspot tethering, and prices as low as $5/month. Like Mint Mobile and some ...