From 886f1cd0a423dbd2ee1f4d1cda7540370f9b2264 Mon Sep 17 00:00:00 2001 From: Tom Alexander Date: Wed, 21 Oct 2026 23:53:17 -0400 Subject: [PATCH] Add a comparison of interface information. --- .../15/qcncm865-mt7927-comparison/index.org | 27 ++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/posts/2026/10/15/qcncm865-mt7927-comparison/index.org b/posts/2026/10/15/qcncm865-mt7927-comparison/index.org index 1845311..50232dd 100644 --- a/posts/2026/10/15/qcncm865-mt7927-comparison/index.org +++ b/posts/2026/10/15/qcncm865-mt7927-comparison/index.org @@ -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]].