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| TELECOM |
- ADSL: Asymmetric Digital Subscriber Line
- CDMA: Code Divisional Multiple Access
- CLEC: Competing Local Exchange Carrier
- DSL: Digital Subscriber Line
- DWDM: Dense Wavelength Division Multiplexing
- ESMR: Enhanced Specialized Mobile Services
- GSM: Global System For Mobiles
- HDSL: High bit-rate DSL
- ILEC: Incumbent Local Exchange Carrier
- ISDN: Integrated Services Digital Network
- ISP: Internet Service Provider
- IXC: Inter Exchange Carrier
- LEC: Local Exchange Carrier
- LNP: Local Number Portability
- LRN: Local Routing Number
- NPAC: Number Portability Administration Centre
- PCS: Personal Communications Services
- PCN: Personal Communications Networks
- RADSL: Rate-Adaptive ADSL
- SDSL: Symmetric DSL (Single Pair HDSL)
- SMR: Special Mobile Radio
- TDMA: Time Divisional Multiple Access
- VDSL: Very high bit-rate DSL
- WSP: Wireless Service Provider
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| CABLE (Wired/ Wireless) |
- LMCS: Local Multipoint Communications System
- LMDS: Local Multipoint Distribution System
- MATV: Master Antenna Television
- MMDS: Multichannel Microwave Distribution System, 2.5 Ghz
- SMATV: Small Master Antenna Television
- TVRO: TV Receive Only
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| SATELLITE |
- C-band: The original range of frequencies used by communications satellites and terrestrial microwaves systems
- DBS: Direct Broadcast Satellite
- DSS: Digital Satellite System. The largest direct-to-home system in US was developed by Thomson Electronics+IBk- RCA division and Hughes Electronics. Receives
program services by DirecTV and USSB. Popular as a "gray market" product in Canada.
- DTH: Direct-To-Home (Satellite)
- Earth Station: An installation on the ground that sends signals to satellites overhead. GEO: Geostationary Orbit Satellite
- Gray Market: Generally, selling in one country the products of another by other than the official means of distribution. With satellite TV, it refers to the
popularity among subscribers of US satellite services not officially available in Canada.
- Ku band: The range of frequencies used in new direct-to-home satellite systems. Because it is not used for terrestrial communications, the satellites can have more
power, which means smaller receiving dishes on the ground.
- LEO: Low Earth Orbit Satellite
- MSAT: Mobile Satellite
- Scramble: The practice of encoding satellite TV signals so that dish owners can receive them only by paying a fee.
- TVRO: Television receive-only. Industry jargon for satellite dishes used by consumers to pick up TV signals.
- Wild feeds: Internal TV network signals intended to be integrated into programs later, but available to owners of large dishes.
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| REGULATORS/ OTHER |
- CISC: Canadian Interconnection Steering Committee
- CRTC: Canadian Radio-Television Telecommunications Commission
- FCC: Federal Communications Commission
- ITU: International Telecommunications Union
- WTA: World Telecom Agreement
- WTO: World Trade Organization
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