If you are currently picking up over the air channels with your antenna then it should work with the DVR+(CM-7500). If you have any issues we always recommend to consult a professional installer to ensure that your existing set-up is optimized for use with over the air broadcasts and the DVR+(CM7500).
CM-7500TB1 CM-7500GB16 CM7500GB16 CM7500TB1 CM-7500 CM7500