How Cellphone Service Work

THIS VIDEO TALKS ABOUT THE EVOLUTION OF CELL PHONE SERVICE.

[@brucewilliams2106]

thanks. I'm doing disaster research and this is helpful

[@TelecomTraining]

You're welcome

[@pubguc6771]

T 0:07

[@jerusalemheven1535]

Thank you v.much great explanation

[@TelecomTraining]

You are welcome

[@TelecomTraining]

You are welcome

[@James_Knott]

AMPS was never on 1900. It was on 850 MHz only.

[@TelecomTraining]

The 1G AMPS network operated on the 800 Mhz frequency band. You are correct, AMPS did not use 1900MHz. I do apologize if I said that at any time during the video.