The Access HD DTA1080D is a quality digital converter box and is a CECB (qualifies for the government coupon program) that features both analog pass-through and Dolby Digital. This converter enables analog TVs and digital ready TVs to receive off-air UHF and VHF digital television signals. Simply attach your antenna to the back of the converter and it will convert your local broadcast stations standard, enhanced, and high-definition digital signals into an analog TV signal format. This converter connects to your television using your choice of composite video (RCA jack) or 75 ohm RF cable.