A critical part of recovery of any tracking product is actually locating the device once you are in the general proximity. While GPS/GNSS can provide <10meter accuracy quite reliably even if you within 10 meters of a device there is no garentee you can identify it. you may have 10 cars in a parking lot within this range or multiple house entries. Even inside a room the device may have been hidden behind a wall or any number of places. We design homing receivers of different size, sensitivity and frequency for the final recovery phase.