22 Tv Is There A Way To Get More Channels On My Insignia 22" Tv?

Is there a way to get more channels on my insignia 22" tv? - 22 tv

I have just the insignia of a new 22 "TV for my bedroom and I have only one or two channels. Is there a way lot more channels without DirecTV, Comcast, etc. retained. Thanx a!