I have an old book about telephones from the 1970's. It has about 5 pages devoted to explaining the original Mobile Phones. I beleive the book title is "All About Telephones" If anyone is interested I will post some more information about the book as soon as I can find it.
I remember the old IMTS telephones from as far back as the early 70's. Motorola made a VHF and a UHF version IMTS mobile telephone. They were both dial and Touch Tone. There was a roaming mode. Oh....IMTS stands for Improved Mobile Telephone Service
We grew up in San Antonio, TX and In 1971 my dad had one in his USAF car. He was in the Air Force. San Antoinio (as I recall had 2-3 VHF channels for San Antonio and there were other channels for other cities. With a maximun of 8-10 channels. There was a series of switches at the top of the control head you selected your channel. Also, It was very easy to listen to other phone calls and the range was quite good. You could go 30-45 miles out of San Antonio and it would still work good.
I have an old book about telephones from the 1970's. It has about 5 pages devoted to explaining the original Mobile Phones. I beleive the book title is "All About Telephones" If anyone is interested I will post some more information about the book as soon as I can find it.
ReplyDeleteI remember the old IMTS telephones from as far back as the early 70's.
ReplyDeleteMotorola made a VHF and a UHF version IMTS mobile telephone. They were both dial and Touch Tone.
There was a roaming mode.
Oh....IMTS stands for Improved Mobile Telephone Service
We grew up in San Antonio, TX and In 1971 my dad had one in his USAF car. He was in the Air Force. San Antoinio (as I recall had 2-3 VHF channels for San Antonio and there were other channels for other cities. With a maximun of 8-10 channels. There was a series of switches at the top of the control head you selected your channel.
Also, It was very easy to listen to other phone calls and the range was quite good. You could go 30-45 miles out of San Antonio and it would still work good.