Sierra Mercury: AT&T’s Smallest, Sveltest 3G Data Card
Sierra’s latest USB 3G data card, Mercury, is the smallest, smokiest little card in AT&T’s otherwise obese lineup. Obviously spawned from the same DNA pool as its Sprint-y cousin, but with the chrome and black look AT&T is fond of lately. Like the Compass, the drivers and AT&T’s software are loaded on the stick, so…