Check the listing for details. Cisco AIR-CT5520-K9 Wireless LAN Controller, 1 Year Warranty. Condition: Used. Listed at 1395.00 USD. This Listing includes (1) Cisco AIR-CT5520-K9 with AC power, that is Fully Tested with our 1 Year Warranty. About Us We test all our gear in, and ship from, our warehouse and testing center in Omaha, Nebraska. We offer a 1 year warranty on all products sold, no matter which of our portals you choose. However you find us, you will know you have the backing of our warranty. Here are a few other things to keep in mind, as you shop and buy from us. We try to ship out same day the order is received. If we can't, we try to let you know when it will ship out. 1 Year Warranty (30 Day Warranty for Resellers) On Ebay we only accept Paypal. All units are in good condition, refurbed in house, painted as necessary. Free ground shipping (within the 48 contiguous states). We collect sales tax in Nebraska and Minnesota.