Three levels of integrated signal technology - GPS positioning, a powerful 406 MHz signal, and 121.5 MHz homing capability quickly and accurately relays your position to a worldwide network of search and rescue satellites. * Powerful 66-channel GPS, the ResQLink+™ guides rescuers to within 100 meters or less of your position. * Built-in strobe light provides visibility during night rescues. With its * Two built-in tests allow you to routinely verify that the ResQLink+™ is functioning and ready for use - with the push of a button, you can easily test internal electronics and GPS functionality. * No Subscription Fees