I have a Ubiquiti radio in the house and I think it's a 5.2 GHz. I did a scan to see if it could see my router's SSID but it could not. Could that be becaue my router may be a 2.4 GHz AP? Can one see the tother, does it matter?

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Besides having compatible frequencies, they also need to support the same protocols, such as 802.11a (5.2GHz), 802.11n (both 2.4 and 5.2 GHz), 802.11b (2.4GHz), etc. Most 802.11n products also support a/b protocols. 802.11a-only devices don't support b/n protocols.

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Besides having compatible frequencies, they also need to support the same protocols, such as 802.11a (5.2GHz), 802.11n (both 2.4 and 5.2 GHz), 802.11b (2.4GHz), etc. Most 802.11n products also support a/b protocols. 802.11a-only devices don't support b/n protocols.

Assuming they support the same protocols will a 5.2 not even see a 2.4 and vise versa?

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