Hi Everyone     This technically works if all antennas are the same. (using that antenna)   However, you would lose 5Ghz band which is a big drawback.   You can find more info 🙂 https://documentation.meraki.com/MR/Other_Topics/Frequently_Asked_Questions_regarding_Cisco_Meraki_Antennas   You should never use single-band antennas on a dual-band antenna port. It will work only for that single band and you will have bad behaviors everywhere else. All antennas in these kind of APs should be the same.     ... View more

Hmm, you are probably referring to the MX VPN functionality? This is MR beta 🙂 ... View more

Just wondering, do you have "client balancing" enabled?   This can be found on the rf profile.   On event logs, look for rejected due to load balance or something like that, let us know what happens with the new ap ... View more