There are various bands on which televisions operate depending upon the country. The VHF and UHF signals in bands III to V are generally used. Lower frequencies do not have enough bandwidth available for television. Although the BBC initially used Band I VHF at 45 MHz, this frequency is no http://donovanxxpxh.amoblog.com/la-gu-a-m-s-grande-para-smart-tv-20042426