THE MOBILE TELEPHONE 

IN BELL SYSTEM SERVICE, 1946-1993

These pages are a history of the car telephone as used by the Bell System and its affiliates from the beginnings in 1946 through the end of IMTS telephone product production, although many IMTS car telephone radio systems continued on the air through the late 1990's and some are still on the air in Canada and Pennsylvania.

The sections of this site are divided into chapters to make it easier to navigate and to help viewers still using dial-up and slow Internet providers.  You can click on the appropriate chapter to go there directly, or just click on the "next chapter" link at the bottom of each page.

TABLE OF CONTENTS

Click on any chapter:

1 - Introduction. The First Car Phones, 1946

2 - MTS Car Telephones of the 1950's, the Next Generation

3 - Transition Mobile Phones, 1958-1974

4 - Independent Telephone Company Equipment, 1950-1974

5 - IMTS and the Growth Years, 1964-1970

6 - Motorola and GE Mobile Telephones 1971-1983

7 - Other Makes of MTS Equipment, 1960-1975

8 - Attaché Phones 

9 - Other Makes of IMTS Equipment, 1971-1983

10- Aftermarket Accessory IMTS Control Heads

11- The Final Years, 1983-1993

APPENDIX 

IMTS  Car Telephone Specialized Test Equipment

How the "DIal" System Worked (Pre-IMTS) 

Useful data and files (Coming soon)

 

TO FIRST CHAPTER

RETURN TO HOME PAGE

 


WHAT'S NEW:

3/5/2014:  Added photos of Symetrics mobile phone to Chapter 7      3/20/2014:  Added photo of Pushbutton Dial car installation

5/19/2014:  Added photo of Western Electric 41A head to Chapter 1   6/16/2014: Added info on Tamaphone portable phone (Ch. 7)

6/10/2014:  Added IDA Trojan head to Chapter 10                          6/27/2014:  Added photo of GCS Mark 1000 to Chapter 8

 

 

 

 

Ver. 06/27/2014                                                                                                                                   © Geoffrey C. Fors, 2001  All rights reserved