The Axio Beacon is Arva's most advanced avalanche transceiver designed for avid backcountry skiers who strive for the safest gear available. Unlike most beacons, even those with three antennas, the Axio's three antennas work simultaneously to provide a faster, smarter route search. The third antenna folds out of the beacon's housing to maximize its reception, reduce wandering along curved flux lines, and improve multi-burial identifications.Going beyond its unique three-antenna design, the Axio also features marking functions for multiple victim situations. It will alert you when you're leaving the flux line, and need to make a sharp U-turn back to buried victims. There's a motion detector that will switch the beacon's search mode back to transmitting if you go still all the sudden, just in case you get stuck in a second avalanche while searching for victims. Arva also designed this beacon to minimize distortions from phones, heated gloves, and other electronics. The group check feature helps you check your partners' beacons at the trailhead before heading out to avalanche terrain.