Use the IP address shown in rosterRF's "Pair a phone" dialog (or a Mac's Bonjour name.local). rosterRF rejects other dotted hostnames (its anti-rebinding guard).
A deck on the SAME computer as rosterRF needs no token. On another computer it needs the pairing token: it's the k= value in the link the "Pair a phone" QR opens (scan it with a phone and copy that value). Without it, status / photos / identify return 403.
Shows the person's photo + RF / audio / battery dots (green→red on warning). "Open on host screen" pops the card on the computer running rosterRF (not phones).
Press to open/close the Live RF panel on the host screen (the computer running rosterRF).
Recall needs "Enable remote scene recall" ON at the top of rosterRF's Scenes tab, or it returns 403.