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Jesse Eugene Russell (born April 26, 1948) is an American inventor. He was trained as an electrical engineer at Tennessee State University and Stanford University, and worked in the field of wireless communication for over 20 years.
He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [2] [3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to his counterpart at competitor Bell Labs.
The wireless revolution began in the 1990s, [57] [58] [59] with the advent of digital wireless networks leading to a social revolution, and a paradigm shift from wired to wireless technology, [60] including the proliferation of commercial wireless technologies such as cell phones, mobile telephony, pagers, wireless computer networks, [57 ...
The wireless revolution began in the 1990s, [12] [13] [14] with the advent of digital wireless networks leading to a social revolution, and a paradigm shift from wired to wireless technology, [15] including the proliferation of commercial wireless technologies such as cell phones, mobile telephony, pagers, wireless computer networks, [12 ...
NMT was the first mobile phone network to feature international roaming. In 1983, the first 1G cellular network launched in the United States, which was Chicago-based Ameritech using the Motorola DynaTAC mobile phone. In the early to mid 1990s, 1G was superseded by newer 2G (second generation) cellular technologies such as GSM and cdmaOne.
Arlene Joy Harris (born June 6, 1948) is an entrepreneur, inventor, investor, and policy advocate in the telecommunications industry. She is the president and co-founder of Dyna LLC, an incubator for start-up and early-stage organizations historically in the wireless technology field. [1]
The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
Wireless telephone may refer to: Cordless telephone , a telephone in which the handset is portable and communicates with the body of the phone by radio, instead of being attached by a cord Mobile phone , a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area