Sierra Wireless today claimed a spot as the first company ever to release USB modems that support the new HSPA+ standard for 3G. The USB 306 and 307 both download at up to 21Mbps, or about three times the speed of regular HSPA; they also upload as quickly as the best HSPA devices, or about 5.8Mbps. The extra speed gives notebooks a wide-area wireless speed closer to a landline connection and is