Install , GPS, KNG Portables. Know where you and your team are at any given moment with the Bk Radios GPS option (P25 Tier 1 Location Services Compliant). Longitude and latitude coordinates will give your exact location, or the location of another KNG, anywhere in the world, saving valuable time when calling for backup in emergency situations. If you order this with the radio, it will be installed before shipment. If you have a unit that needs this added, you will have to ship us the radio, we will get it installed, and turn it around ASAP.