@Neon I notice you have just added the one port, there are a number of ports required for COD on PC/ Mix of TCP and USP Platform TCP Ports UDP Ports PC 3074, 27014-27050 3074, 3478, 4379-4380,...

@Lecharme Hey I would ensure you have the latest firmware installed, it appears to have got a new firmware for 2020 https://www.tp-link.com/uk/support/download/tl-wa901nd/#Firmware When you say it is...

@malreyyashi Hey Just reading what you have stated this appears to be the PLC backhaul restriction. The P9s have a PLC backhaul as you describe, and this is rated for 1gbps connection, from...

@Richard_Otter The addition of a controller offers central management for the entire WiFi network as one unit, rather than 3x individual devices. Personally the main advantages of this for me are as...

@tetsu-kun Hey Looking at the details and screenshots you have provided I am guessing you are not running these devices via a Controller? Namely they are all stand alone devices? If so I would...

@pete1 I havent used that specific model yet, but had used it predecessor and Yes the signal was good on them. Extra signal is never a bad thing! You may find the device connect to the AP before the...