Hi @DebD1,
We appreciate you for bringing up your concern about which router to purchase for your Roku doorbell. We want to offer you assistance.
Please be advised that any router that supports a 2.4 GHz network connection with WPA/WPA2 security standards will work with all our smart home devices, including the Roku doorbell and Chime SE.
For more information about the Roku Smart Home Doorbells, kindly visit our Support page here: How to set up your Roku Video Doorbell and Chime SE.
We hope you find this information useful. Please let us know if you still have further questions.
Best regards,
Jess
Jessica G.
Roku Community Moderator