Sierra 305 Wireless USB Aircard The Sierra Wireless AirCard USB 305, also known as the AT&T USBConnect Lightning, is ideal for digital nomads who need flexibility. Designed for tight spaces where other USB modems won't fit, the Sierra 305 Wireless USB Aircard delivers reliable, mobile Internet at airports, hotels, your vacation home, or while watching football practice. The Sierra 305 Wireless USB Aircard lets you go to cafes for the coffee, not the hotspot.
