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Here's what other sites are saying:
Arva Avalanche Beacons Axio Avalanche Beacon ARNIAXIO. Thanks to the SPHERIC SEARCH TECHNOLOGY the 60 meters bandwidth AXIO is the only beacon on the market processing an entire spherical search with 3 antennas working simultaneously. The 3rd antenna can be deployed to create a real landmark built by the 3 antennas of the beacon. The Spheric Search technology is marking the end of the well know sequence: big antenna on primary search second antenna on secondary search and 3rd antenna on final search. Now with the AXIO all 3 antennas are working simultaneously for a faster and smarter route search.
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.