WEB6000Q's SSID speed is much slower

[wireless]

The Telus tech guy came in and re-connected the extender when I had the T3200 gateway installed. Now, I have four different SSIDs (two from each) and since my extender is on my second floor and the signal from the gateway is weak there, I have to connect to it which gives me around 50-60 Mbps (I'm on the 150 plan). Is there anyway for the SSIDs to merge so I can get the signal strength and a high speed?


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