Make sure that the EAP can be reached by the EAP controller, i.e. that it has an IP in the same subnet range as the server the controller is running on. Either let a DHCP server assign an IP to the...

That's strange. My EAP120 is now running 5 hours without interruption. Anyway, if it makes problems, an EAP110 would be an alternative, they are really priceworthy and pretty stable. As for the...

bubas wrote So you can understand the area is an Athletics outdoor track and i want to have WIFI in the field (the spectator area is not important), what is important is the devices on the track. I...

You are right, there seems to be a problem in the firmware version 2.0.2_[20160405-rel33786] at least. Just tested it with a brand-new EAP120 and its initial firmware 20160405 using tcpdump. While...

Could you adopt the EAPs in the controller before they disconnected? How did you find out that the EAPs don't obtain an IP anymore? To find out wether it is really a problem with the EAPs loosing...

If you think the devices are buggy, complain to TP-Link's support, not in the user's forum. I'm not going to waste my time trying to help you to solve a config problem.