Worked well for a while - slightly slower than promised as per other reviews. After three months of use, my connection is extremely erratic. Appears to run at normal speed for 30 seconds, then hangs until the adapter resets, assuming it doesn't shut down on its own. Signal strength is strong, but speeds are always off the mark. Connection should be great on 5GHz, but it refuses to connect on frequency. At the moment the card is practically unusable and expensive. I almost wish it had broke at this point so the frustration would finally end. If you use a cheap adapter you can aim below. If you're looking for something in between, maybe a step above entry level (like me), ditch the extra $10 or so for something better. Don't throw away your money.
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