GPS 18x high-sensitivity GPS sensor. The GPS 18x series takes the existing GPS 18 series to the next level by adding a high-sensitivity receiver that locks onto satellite signals quickly and maintains accuracy even in the toughest conditions. no USB connection. 010-00321-34 / GPS 18x PC ? has DB-9 pin serial connector with a 12 V cigarette lighter adapter; can output data in NMEA 0183 format (industry standard) or proprietary Garmin format. This can be connected directly to a laptop or PC with the DB-9 serial connector or to any transportation with a 12V cigarette lighter adapter