Backcountry Access BCA Tracker DTS Avalanche Beacon Backcountry Access Stay on the right path - revolutionary dual antenna technology follows a flux line directly to the buried transceiver When receiving equal signal strength, the antennas mounted perpendicular to each other on the tracker case create an "X" shape and the center search light illuminates when pointing toward the strongest signal Forget traditional "grid" and "tangent" searching, dual receiving antennas can be significantly faster for both novices and experts You'll by clued into your desired direction when the directional display on the case lights up