A job description's primary purpose is employee recruitment. The job description alerts potential employees to the job opening and the job's requirements. As a result, the job description meets the company's need to attract qualified employees as defined by the job summary and job functions specified in the description.
dr martin cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in new york city new york in april 1973 a related invention is the cave radio phone invented by nathan stubblefield who was awarded a patent for the idea in the early 20 th century 1908
History of Mobile Cell Phones | The First Cell Phone To Present Time. 1  The Worldâs First Cell Phone. 2  Radio-based Cell Phones. 3  Russiaâs First Cell Phone. 4  AT&Tâs Mobile Telephone Service. 5  Manchester, UK and the Post Office Radiophone Service. 6  AT&T Launches Its New Improved Mobile Telephone Service (IMTS) 7  Radio Common Carrier.