I have a Asus RT-AC5300 router for my small business. The internet portion works 100% of the time with no issues. BUT, we often demo mobile apps by casting them from an iPhone/iPad to a computer/TV with an Airplay server.
The problem is that if the Airplay server device and iPhone/iPad happen to get on the same band (5G-1 for example), it works without issue. If the server device and iPhone/iPad get on different bands (5G-1, 5G-2), it does NOT work.
My old Netgear could route between...
RT-AC5300 Airplay doesn't work across bands in Tri-Band mode
The problem is that if the Airplay server device and iPhone/iPad happen to get on the same band (5G-1 for example), it works without issue. If the server device and iPhone/iPad get on different bands (5G-1, 5G-2), it does NOT work.
My old Netgear could route between...
RT-AC5300 Airplay doesn't work across bands in Tri-Band mode