Road warriors will appreciate this week’s announcement from Sierra Wireless about their new faster EV-DO cards. Sierra Wireless announced the EV-DO Revision A capable AirCard 595 which will double download speeds to 3.1 Mbps and increase upload speeds to 1.8 Mbps. The new AirCard 595 is backwards compatible with EV-DO Rel. 0 and will start shipping in the third quarter.