This relates to an Archer VR2100 which is not in the list? My TP-Link Archer VR2100 arrived this afternnon but I have problems setting it up my browser either can't find it on the network or it starts

My Bipac blew up in a recent power cut and I need a new modem/router. The AC1900 and AC2100 have both been recommended to me, I don't understand why they seem to have model numbers and Also Archer nnn