Hello, I am currently using an indoor antenna to provide a signal to an Roamio OTA. The signal quality is good but not great due to environmental factors. My apartment provides a digital signal through the coax outlets that contains the local over-the-air programming. Sending that digital signal directly to the Roamio OTA does not work. Can the digital signal from the coax outlet be converted to a signal that the Roamio OTA can read? Thanks in advance for your feedback.