I am aware that the receiver needs to have Wake On LAN capability for this to work, and indeed the Ubiquiti NVR does have that. What I'm asking is - can the router itself send a Wake On LAN message...

I'm considering buying a used TP-Link MR3420 router, and I have a need for Wake-On-Lan (WOL) to automtically turn on a Ubiquiti Unifi NVR (surveillance camera recorder) whenever the router comes on...