@jamieman5 TP-Link positions single M5 as addition to existent Deco mesh. "Add-on unit" is what written on the box. This is exactly my scenario: I have found that I need one more Deco unit for my...

@Communiter Yes, it should, as long as switch is compatible. Your best bet is unmanaged switch and from the brand other than DLink. If by any bad luck your setup does not work, just daisy chain Decos...

@Rajupriya Deco M9 V2 firmware 1.5.0: Added support for whitelist under Malicious Content Filters of Antivirus. Released for Europe already. Not yet for North America, but hopefully soon.

@ladtract Even if N300 is compatible with Deco, it is unlikely you'll achieve what you want to. N300 is WiFi range extender. The concept of range extender is to pick good WiFi signal and retransmit...

@PauloJunior Yes, this should work. My Deco mesh that runs in AP mode has Deco M5 and Deco M9 connected to ISP router by Ethernet cables. No problems so far, have been running Decos configured like...

@Cronos Yes, Deco M5 can provide faster Internet, but there are limits of what it can do. The best you should expect to get from Deco M5 wired to ISP router is about 500Mbit, when mobile device is...