Use in Small SpacesThis high-sensitivity, 12-parallel-channel, WAAS-enabled GPS receiver is available in CMOS-level serial or USB 2.0 full-speed versions and comes with an integrated magnetic base. The puck-like receiver is 2.4″ (6.1 cm) in diameter and weighs just a few ounces, making it an ideal solution for applications where space is at a premium. PC VersionGPS 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. Choose Your Connection TypeThe GPS 18x is Also offered in the following configurations. All versions of the GPS 18x come complete with non-volatile memory for storage of configuration information, a real-time clock and raw measurement output data for sophisticated customer applications. GPS 18x USB — has A-style USB connector, compatible with USB 2.0 and 1.1 full-speed hosts; can output data in Garmin proprietary format only. GPS 18x LVC — has bare wire for connection to a variety of applications; can output data in NMEA 0183 format (industry standard) or proprietary Garmin format; provides a pulse-per-second logic-level output with a rising edge aligned to within 1 microsecond of UTC time. The GPS 18x is a high-sensitivity GPS sensor that replaces the GPS 18.