No you have to get a digital inserter, and you have to get one that's compatible with the system that your service provider uses.
http://logenex.com/product/scdm-digital-modulator/
No you have to get a digital inserter, and you have to get one that's compatible with the system that your service provider uses.Will a modulated channel show up on a digital cable box?
Set-up would be -
Feed with filter to combiner with modulator and then split to the digital tv boxes