Wired (ethernet) speed in the room is very important to us. Or, can a faster speed be purchased?
We only got offered wifi which wasn't great, for better wifi it cost €6 per hour, I didn't buy it. Apparently the higher up you are the worse the connection.
Internet sped is also important to me. I use wi fi not ethernet so cannot comment on this. We had real problems in our room with the wi fi which the hotel failed to rectify. However, we were given an upgrade to a suite which had fast wi fi so I presume it is available in the better rooms. Originally we had a premium room. I believe you can upgrade your internet at a price. I hope this is helpful.
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