Airport Express as extension I have an Airport time capsule as a main wireless, I add an Airport Extreme and a Airport Express as extension of my network. All of them have the same connection name.
Problem: the connection in the rooms where the extended devices are placed is too slow...
Is there a way to check the internet speed of each of the devices? The one with ethernet cable that is the main the speed is very good, but the others :(
Any help is more than welcome, thanks in advance.
This question is similar to this question on MacRumors. Try using AirPort Utility to check the speeds you are getting from the AirPort Express. Go to AirPort Utility -> Base Station -> Logs and Statistics -> Wireless Clients. Then, check the box called "Tx Rate." You'll see 130-270 for 802.11n, and &lt; 56 for 802.11g. This will tell you what type of connection you are getting on your extended networks--i.e., 802.11a/b/g/n/ac. If you are getting very slow speeds, you may not be getting the speed you are getting from the TimeCapsule. Also, check out this question on StackExchange for determining the performance of your wired network. 

Hope this helps.