Original sentence: "  The ad pointed out AT&T's coverage map for their 3G HSDPA service, which in coverage terms is smaller than Verizons 3G WCDMA service
Edited sentence: "  The ad pointed out AT&T's coverage map for their 3G HSDPA service, which in coverage terms is smaller than Verizons 3G WCDMA service, despite AT&T having much larger signal coverage for voice and 2G data overall