Can't detect HF on Schlage 9691T using Proxmark3

[Pilgrimsmaster]

Can you confirm if this is 4byte or 7 byte

ie.
00:11:22:33
or
00:11:22:33:44:55:66

Also this

@Aoxhwjfoavdlhsvfpzha

Can you scan it with your phone?

TagInfo

How to share NFC chip data via TagInfo app

TagInfo is an app made by a chip manufacturing company called NXP. It does a decent job of determining the type of chip it’s talking to and fully scanning any accessible memory into a scan report. It also makes sharing information gathered easy, which makes diagnosing problems or answering questions about specific NFC tags one might have much more efficient. Android iPhone [Sharing microchip implant data with TagInfo] Do note that iOS has some serious limitations still when it …

IF you can scan with your phone
and have a gen2 to write to, you could just use MCT