- high-frequency telephony
- высокочастотная телефония
English-Russian dictionary of terminology cable technology.
high-frequency telephony
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high-frequency telephony — noun : an art or process of telephonic communication by means of carrier currents over electric conductors (as transmission lines) through the use of transmitting and receiving equipment like those used in radio … Useful english dictionary
High-Speed Downlink Packet Access — (HSDPA) is an enhanced 3G (third generation) mobile telephony communications protocol in the High Speed Packet Access (HSPA) family, also dubbed 3.5G, 3G+ or turbo 3G, which allows networks based on Universal Mobile Telecommunications System… … Wikipedia
High-Speed Uplink Packet Access — (HSUPA) is a 3G mobile telephony protocol in the HSPA family with up link speeds up to 5.76 Mbit/s. The name HSUPA was created by Nokia. The 3GPP does not support the name HSUPA , but instead uses the name Enhanced Uplink (EUL). [… … Wikipedia
Frequency management challenges in military forces — Every military force has a goal to ensure and have permanent access in the spectrum of radio frequencies to meet its vital military tasks. This is based on strategies, doctrines and different policies that military forces adhere to.The nature of… … Wikipedia
Frequency extender — In broadcast engineering, a frequency extender is an electronic device that allows high fidelity analogue audio to be sent over regular POTS telephone lines, without the loss of higher audio frequencies (treble). It is an extended concept of a… … Wikipedia
Wireless telephony — Wireless Wire less, a. Having no wire; specif. (Elec.), designating, or pertaining to, a method of telegraphy, telephony, or other information transmisssion, in which the messages, data, etc., are transmitted through space by electric waves; as,… … The Collaborative International Dictionary of English
Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… … Wikipedia
Dual-tone multi-frequency — (DTMF) signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch Tone (canceled March 13, 1984),… … Wikipedia
Mobile telephony — Mobile phone tower Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location. Mobile phones connect to a terrestrial cellular network of base stations (cell sites),… … Wikipedia
Very High Bitrate Digital Subscriber Line — VDSL or VHDSL (Very High Bitrate DSL) [ [http://www.kpn.com/artikel.htm?contentid=2895 KPN KPN starts VDSL trials] ] is a DSL technology providing faster data transmission over a single flat untwisted or twisted pair of copper wires. These fast… … Wikipedia
Multi-frequency time division multiple access — MF TDMA (Multi Frequency, Time Division Multiple Access) is the leading technology for dynamically sharing bandwidth resources in an over the air, two way communications network. Many variations of MF TDMA technology (including simple TDMA) exist … Wikipedia
