Answer :
Final answer:
The general broadcast frequencies for television are VHF (54 to 88 MHz and 174 to 222 MHz) and UHF (470 to 1000 MHz). These ranges are designated for television broadcasting, with VHF used for lower frequency channels and UHF for higher frequencies. Other technologies like cellular, GPS, and Wi-Fi operate on different frequencies within the radio-wave spectrum.
Explanation:
The general broadcast frequency for very high frequency (VHF) TV channels falls within the ranges of 54 to 88 MHz and 174 to 222 MHz. These channels require a larger range of frequencies as they must carry a substantial amount of visual as well as audio information. In contrast to VHF, other channels called ultra high frequency (UHF) channels use frequencies ranging from 470 to 1000 MHz. These frequency bands are used for television broadcasting, with VHF being the lower range and UHF covering higher frequencies.
Other technologies, such as 4G cellular networks, GPS, Wi-Fi, and highway toll sensors, operate at different frequency ranges within the radio-wave portion of the electromagnetic spectrum. For example, 4G cellular signals are approximately 880 MHz, GPS signals operate at 1.228 and 1.575 GHz, Wi-Fi at 2.4 to 5 GHz, and toll sensors at 5.8 GHz. These technologies are designed to operate on frequencies that are minimally absorbed by common building materials.
