Good morning, I need to synchronize the time of the devices connected to my network (which is not exposed on the internet), all with the same time. I thought about synchronizing the time of the tablet

Hi, I bought 3 EAP660HD antennas which all modulate the same network. I want to block access to this network exclusively at 600 MAC Address. The only problem is that I can only enter 500 MACs in the g