Keystone Solutions Provides a variety of options for Internet access including fixed wireless point to point, and point to multi-point utilizing the latest wireless technology including unlicensed 2.4 and 5.8 GHz and licensed FCC bands from 6, 11, 18, and 23 GHz. Other frequency bands include the millimeter wave technology for super high capacity links up to 1, 5, and 10 gig full duplex.