recently i have got an old dbii networks card and the problem is that it have no model number printed on it and i don't know what is the frequency band of that card. so i attached it in my one of rb411 and now it shows two different band of frequency. why it is displayed like this? can any one elucidate me?
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Device: RB2011UIAS-RM, RB750GL, CISCO SG300-28, UNIFI UAP-LR