You might not need a TV antenna to cut the cord, but one can be indispensable if you want to record over the air channels. With an over the air DVR, you can record shows from an antenna, rewind live TV broadcasts, and even fast forward through commercials. Some DVRs can even stream video onto multiple TVs or let you watch from outside the home. The over the air DVR field has narrowed considerably in recent years, but some smaller hardware and software makers are still putting up the good fig
