The Mini does not use coax for any TV signals since it does not have any tuners. It has built-in MoCa, so use either ethernet or MoCa. MoCa uses frequencies not coherent to any TV signals, cable or OTA, so there is no interference between TV and Coax.
Original S1 (Recycle Heaven)
Series 2 (PLS, sold)
TiVo HD (XL, PLS, "652")
Juliet Basic (4XL, PLS)
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!