ទំព័រគំរូ:ទូរគមនាគមន៍

v t e ទូរគមនាគមន៍

ប្រវត្តិ	ប្រភាគារ ការផ្សារយ ផ្កាយរណបគមនាគមន៍ Computer network Drums Electrical telegraph Fax Heliographs Hydraulic telegraph Internet Mass media Mobile phone Optical telecommunication Optical telegraphy Photophone Prepaid mobile phone Radio Radiotelephone Satellite communications Smoke signals Telecommunications history Telegraphy Telephone The Telephone Cases Television Timeline of communication technology Undersea telegraph line Videoconferencing Videophone Videotelephony

Pioneers	Edwin Howard Armstrong John Logie Baird Alexander Graham Bell Tim Berners-Lee Jagadish Chandra Bose Vint Cerf Claude Chappe Lee De Forest Philo Farnsworth Reginald Fessenden Elisha Gray Guglielmo Marconi Alexander Stepanovich Popov Johann Philipp Reis Nikola Tesla Camille Papin Tissot Alfred Vail Charles Wheatstone Vladimir K. Zworykin

Network topology	Links Nodes Terminal node

Transmission media	Coaxial cable Free-space optical Optical fiber Radio waves Telephone lines Terrestrial microwave

Switching	Circuit switching Packet switching Telephone exchange Network switch

Multiplexing	Space-division multiplexing Frequency-division multiplexing Time-division multiplexing Polarization-division multiplexing Orbital angular momentum multiplexing Code division multiplexing

Networks	ARPANET BITNET Computer Ethernet FidoNet Internet ISDN LAN Mobile NGN Public Switched Telephone Radio Telecommunications equipment Television Telex WAN Wireless World Wide Web

Geographic	ទំព័រគំរូ:Telecommunications by region