It provides connection to your uniden location-based scanner or other NMEA-compatible device. It has a cable that plugs directly into DB-9 RS-232 port, it can easily connects to Uniden hand held scanners and the HomePatrol-1. It is provided with a magnetic base to easily secure to your vehicle. The receiver has weatherproof design that allows outside mounting for best satellite signal reception. BC-GPSK Features: Serial GPS Receiver, Industry-Standard NMEA 0183 Output, Use for Automatic Packet Reporting Systems (APRS), SIRF III Chipset - for Rapid Satellite Acquisition, Waterproof Housing, Built-in Magnet Mount, WAAS Capable - for Superior Location Accuracy, Compact Design w/ Magnetic Base, Weatherproof, Provides Location Data for Following: BCD396T BCD396XT BCD996T BCD996XT BC346XT BCT15 BCT15X HomePatrol-1 Includes, 1 X Scanner, 1 X AC Adapter, 1 X Vehicle Accessory Power Cord, 1 X Three-Wire Harness, 1 X Mounting Bracket and Hardware, 1 X Antenna, 1 X Serial Programming Cable, 1 X O/M on CD ROM, 1 X Other Printed Materials"