Does the Repeater IRSAP NOW work on batteries or by cable? 11 November 2021 09:34 Updated The Repeater does not require batteries, it can be easily plugged in to a power outlet: Related articles When do I need the Repeater? What is IRSAP Repeater? What is Smart Thermostat? Where should the Connection Unit be installed? I don't have an Ethernet cable, can I connect the Connection Unit to WiFi? Comments 0 comments Please sign in to leave a comment.