ACR ResQLink - Key Features Quick Review

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Aircraft Spruce & Specialty Company carries everything a pilot could need, including pilot supplies and aircraft parts, always at the lowest prices. Aircraft Spruce supplies components for a wide variety of homebuilt aircraft including the Lancair, Vans Aircraft, Cozy, Starduster and Europa, as well as factory built parts for Cessna, Piper, Beech, and Mooney. Products include Garmin avionics, tools, charts, propellers, spruce, software, instruments, aircraft engines, aviation headsets, landing gear components, and composite materials. We also carry a full line of aviation grade hardware, covering supplies and materials, electrical components, and steel and aluminum. For airplane parts and pilot supplies, Aircraft Spruce is the leading aviation supply house in the world. Call Spruce for all your aviation needs.

[cruisinbilly]

There seems to be two different models, 2281 & 2280. What's the difference? I need one for AUS