Results 11 to 20 of about 90,302 (385)

Telegraphy and Telephony [PDF]

open access: greenScientific American, 1910
n ...
J. Gavey
openalex   +4 more sources

Telephony - 1902 [PDF]

open access: greenTransactions of the American Institute of Electrical Engineers, 1902
n ...
Angus S. Hibbard
openalex   +4 more sources

A Technical Approach to the Evaluation of Radiofrequency Radiation Emissions from Mobile Telephony Base Stations

open access: yesInternational Journal of Environmental Research and Public Health, 2017
During the last two decades, the number of macrocell mobile telephony base station antennas emitting radiofrequency (RF) electromagnetic radiation (EMR) in residential areas has increased significantly, and therefore much more attention is being paid to ...
Dorina Nicolina Isopescu   +2 more
exaly   +2 more sources

Young Entrepreneurs in the Mobile Telephony Sector in Ghana: From Necessities to Aspirations

open access: yesJournal of African Business, 2017
Despite increasing research interest in the mobile telephony sector, only a few studies have devoted attention to informal businesses in the sector.
George Owusu, Katherine V Gough
exaly   +2 more sources

Research on Mobile Network Parameters Using Unmanned Aerial Vehicles [PDF]

open access: yesSensors
The study of phenomena related to the propagation of electromagnetic waves is a necessity with the development of mobile telephony networks. This paper deals with the problem of the quality of mobile telephony signals.
Jan Warczek   +4 more
doaj   +2 more sources

Telephony - A personal view [PDF]

open access: greenIEEE Communications Magazine, 1984
Overcoming obstacles in an ever-changing industry.
John R. Pierce
openalex   +6 more sources

(Non)Life on the Line: Crisis Calls with Animals

open access: yesPulse, 2023
Animals are telephones, Derrida muses, and sometimes the other way around. This comment, while abstract, speaks to a history of animal life that has haunted the telephone since its inception, with questions of life and nonlife hovering in the balance ...
Killian O'Dwyer
doaj   +1 more source

Home - About - Disclaimer - Privacy