Thanks, that does appear to be the case. I now have 2 dongles installed - one 2.4G and one dual band 5G. So far, so good...

Hi, I've installed my Archer T4U v3 AC1300 on a Raspberry Pi2 and also a Windows 7 box. However, I'm only seeing the 5GHz channel, which works fine on both boxes. Should the 2.4GHz channel be working...