Thread: How can we tell from a WiFi card spec whether the NIC is 2.4GHz or5GHz, or both?
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Ewald Böhm Ewald Böhm is offline
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Default How can we tell from a WiFi card spec whether the NIC is 2.4GHzor 5GHz, or both?
On Tue, 08 Sep 2015 10:17:44 -0700, Jeff Liebermann wrote:

Nope. It should be:
802.11 a == 5GHz only 802.11 b == 2.4GHz only 802.11 g == 2.4GHz
only 802.11 n == 2.4GHz or 5GHz === changed 802.11 ac == 5GHz only

This should be correct, by now, where I appreciate Jeff's patience:
802.11 a == 5GHz only
802.11 b == 2.4GHz only
802.11 g == 2.4GHz only
802.11 n == 2.4GHz or 5GHz (or both?)
802.11 ac == 5GHz only

Jeff: Notice the question mark in the "n" spec.
Is "n" always just *either* frequency (i.e., one or the other).
Or can "n" be either one or the other or *both* frequencies?

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