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Add a comparison of interface information.
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Tom Alexander
2026-10-21 23:53:17 -04:00
parent f4986c4856
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posts/2026/10/15/qcncm865-mt7927-comparison/index.org
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@@ -92,8 +92,33 @@ For the signal strength test, I ran src_bash[:exports code]{iw dev wlan0 link} e
** Interface Information
# TODO: Is there anything interesting to report here?
In addition to measuring the performance of the cards, I also dumped information about the cards by reading from =/sys=,executing =iw list=, and executing =iw reg get=. The differences I found noteworthy are below.
*** Supported Ciphers
The MT7927 supports a couple more ciphers than the QCNCM865. That being said, those two additional supported ciphers are for WEP [[https://en.wikipedia.org/wiki/Wired_Equivalent_Privacy#Weak_security][which should not be in use in 2026]].
**** MT7927
- CCMP-128
- CCMP-256
- CMAC
- CMAC-256
- GCMP-128
- GCMP-256
- GMAC-128
- GMAC-256
- TKIP
- WEP104
- WEP40
**** QCNCM865
- CCMP-128
- CCMP-256
- CMAC
- CMAC-256
- GCMP-128
- GCMP-256
- GMAC-128
- GMAC-256
- TKIP
* Test Setup
My test setup consisted of a Framework 13 AMD 7040 laptop with each of the wifi cards, connecting to a [[https://techspecs.ui.com/unifi/wifi/u7-pro][Ubiquiti UniFi U7 Pro]].