Unlike most other ham radio bands, in which one can tune to any frequency within an amateur band, modification of " Channelized " commercial radios maintains them in a channelized state.

The Bahamas offers attractive features to the potential investor: a stable democratic environment, relief from personal and corporate income taxes, timely repatriation of corporate profits, proximity to the U. S. with extensive air and telecommunications links, and a good pool of skilled professional workers.

Telecommunications in Pakistan describes the overall environment for the growing mobile telecommunications, telephone, and Internet markets in Pakistan.

The Three-Year Economic Salvation Programme ( 1990 – 1993 ), adopted by the Government of Sudan, emphasized the role of telecommunications in the socio-economic development process and called for the removal of the monopolistic environment in the sector and for the involvement of the private sector-whether local or foreign-in the telecommunication sector as well as in other sectors of the economy in an endeavour to overcome the persistent shortfalls in investment and performance.

In telecommunications management, a resource within the telecommunications environment that may be managed through the use of operation, administration, maintenance, and provisioning ( OAMP ) application protocols.

In recent years, NiMH batteries are being deployed to provide reliable backup power to load equipment located in a network environment of a typical telecommunications service provider.

The service life of NiMH batteries is extremely important in a telecommunications environment.

From then on, PRTC's telecommunications monopoly would no longer be able to properly compete in the environment and the losses to the government would have been onerous.

This law aims to create an environment that is favorable to the competitive development of the telecommunications market in Belgium.

It is used in the telecommunications environment and was first produced in the late 1970s at the WECo factory in Lisle, Illinois.

The main research fields are energy, environment, manufacturing and fabrication, health technologies, entreprises systems, IT, micro-electronics and telecommunications and finally, aerospace manufacturing and avionics.

INRS conducts research in four broad sectors: water, earth and the environment ; energy, materials and telecommunications ; human, animal and environmental health ; and urbanization, culture and society.

He was also a member of the subcommittees on health, telecommunications and the Internet, and environment and hazardous materials ; the Congressional Biotechnology Caucus, where he served as cochairman ; and the Congressional Steel Caucus.

The general nature of the training given enables ENSTA graduates to find a career in a large number of sectors such as the automotive or naval industry, networks and telecommunications, space propulsion, robotics, oceanology and the environment.

" CEI offers or has offered analysis and advocacy on public policy issues such as energy, environment, biotechnology, pharmaceutical regulation, chemical risk, telecommunications, insurance, transportation, tobacco regulation, constitutional issues, economic policy and securities law.

** Focused on resources, energy, transport, oil / gas / petrochemical, technology, telecommunications, water and environment markets ; and ifnfrastructure services such as roads, rail track, water supply, water treatment and public open spaces

CHOICE also campaigns on behalf of consumers and is a representative on many national and state-based government committees, councils and independent bodies related to consumer rights and issues including food regulation and labelling, health and financial services, telecommunications and digital technology, standards codes, ecologically sustainable development and the environment.

The company has interests in transportation, construction, hydroelectricity, mining and metallurgy, oil and gas, chemical engineering, petroleum engineering, aerospace engineering, defense, nuclear, environment, agriculture, pharmaceuticals and telecommunications.

Today, SAIC performs projects for commercial and government customers related to information technology, systems integration and eSolutions, national and homeland security, energy, the environment, space, telecommunications, health care, and logistics.

The limited market in Brunei means that development in the telecommunications sector is stagnant.

Jean-Maurice-Émile Baudot ( September 11, 1845 – March 28, 1903 ), French telegraph engineer and inventor of the first means of digital communication Baudot code, was one of the pioneers of telecommunications.

Regulation of telecommunications and broadcasting are the responsibility of the Gibraltar Regulatory Authority ( GRA ), established by means of the Gibraltar Regulatory Authority Act in 2000.

Indonesia has had a complex history of communications due to its spread over an extended archipelago-the importance on non-electronic means in the past has given away to a considerable infrastructure of telecommunications in the contemporary Indonesia.

In telecommunications, a multiplexer is a device that combines several input information signals into one output signal, which carries several communication channels, by means of some multiplex technique.

In telecommunications, computer networks and digital video, a statistical multiplexer may combine several variable bit rate data streams into one constant bandwidth signal, for example by means of packet mode communication.

In telecommunications, bit inversion means the changing of the state of a bit to the opposite state, i. e. the changing of a 0 bit to 1 or of a 1 bit to 0.

The telecommunications system may support the teleconference by providing one or more of the following: audio, video, and / or data services by one or more means, such as telephone, computer, telegraph, teletypewriter, radio, and television.

In telecommunications and computer networks, a virtual circuit ( VC ), synonymous with virtual connection and virtual channel, is a connection oriented communication service that is delivered by means of packet mode communication.

Participating telecommunications common carriers, radio and television networks, the Associated Press and United Press International would receive and authenticate ( by means of code words ) an Emergency Action Notification via an EAN teletypewriter network designed specifically for this purpose.

The term ' telecommunications service ' means the offering of telecommunications for a fee directly to the public, or to such classes of users as to be effectively available directly to the public, regardless of the facilities used.

' On the other hand, the term ' information service ' means the offering of a capability for generating, acquiring, storing, transforming, processing, retrieving, utilizing, or making available information via telecommunications, and includes electronic publishing, but does not include any use of any such capability for the management, control, or operation of a telecommunications system or the management of a telecommunications service.

This means that wireless telecommunications providers are not permitted to block any website, but they may block applications and services unless they are direct competitors to the provider's content or services.

For telecommunications services such as high-speed Internet and mobile phones, an activation fee is commonly assessed, although most companies fail to include it in the advertised price, and activation means only typing some customer information into a computer.

Today a pamphleteer might communicate his missives by way of weblog, but before the advent of telecommunications, those with access to a printing press and a supply of paper used the pamphlet as a means of mass communications outside of newspapers or full-fledged books.

The national microwave network terminates at Tsumeb, but telecommunications are now carried across the region and as far as Oshakati by means of a newly laid optical fiber cable.

Technological convergence means, for instance, that the boundaries between information technologies and communication networks are technologically blurring: computer and telecommunications are converging to telematics ; personal computers and television become more similar ; and formerly separated networks become more and more interconnected to render the same kind of services.

X. 21 ( sometimes referred to as X21 ) is an interface specification for differential communications introduced in the mid 1970s by the ITU-T. X. 21 was first introduced as a means to provide a digital signaling interface for telecommunications between carriers and customers ' equipment.

A softswitch is a central device in a telecommunications network which connects telephone calls from one phone line to another, typically via the internet, entirely by means of software running on a general-purpose computer system.

Such systems are therefore expensive and complex ; combined with the fact that PMD is not yet the limiting factor in the lower data rates still in common use, this means that PMD-compensation systems have seen limited deployment in largescale telecommunications systems.

Improvements to existing telecommunications infrastructure include the installation of structured cabling in campus buildings and fiber optics as a means of interconnecting them.

An automatic number announcement circuit ( ANAC ) is a special telephone number that is meant to be used by phone company technicians and other telecommunications technicians to determine the phone number of a particular line.

In 2009, the state monopolies on insurance and telecommunications ( in which one often needed to wait months to get a cellular phone line ) were opened to private-sector competition.

In the past, Malawi's telecommunications system has been named as some of the poorest in Africa, but conditions are improving, with 130, 000 land line telephones being connected between 2000 and 2007.

Montserrat possesses a number of telecommunications systems, including mobile and main line telephone, radio and television.

Raza Microelectronics, Inc. purchased the product line from failing SandCraft and later produced devices that contained eight cores that were targeted at the telecommunications and networking markets.

Recently, legislation was passed by government allowing all licensed telecommunications providers to build their own fixed line networks, resulting in a scramble by companies such as Vodacom, MTN South Africa and Neotel to construct their own country and city-wide fibre-optic networks.

Protection of the transmission line from short circuits and other faults is usually so critical that common carrier telecommunications are insufficiently reliable, and in remote areas a common carrier may not be available.

In telecommunications, a back-to-back connection can be formed by connecting a transmitter directly to a receiver without a transmission line in between.

In telecommunications and professional audio, a balanced line or balanced signal pair is a transmission line consisting of two conductors of the same type, each of which have equal impedances along their lengths and equal impedances to ground and to other circuits.

However, balance in this field is referring to the symmetry of the source and load: it has nothing to do with the impedance balance of the line itself, the sense of the meaning in telecommunications.

In telecommunications, a channel service unit ( CSU ) is a line bridging device for use with T-carrier that:

In telecommunications, a collinear ( or co-linear ) antenna array is an array of dipole antennas mounted in such a manner that the corresponding elements of each antenna are parallel and collinear, that is they are located along a common line or axis.

In telecommunications marketing, the term DSL is widely understood to mean asymmetric digital subscriber line ( ADSL ), the most commonly installed DSL technology.

Federal Telecommunications System 2000 ( FTS2000 ) is a long distance telecommunications service for the United States federal government, including services such as switched voice service for voice or data up to 4. 8 kbit / s, switched data at 56 kbit / s and 64 kbit / s, switched digital integrated service for voice, data, image, and video up to 1. 544 Mbit / s, packet switched service for data in packet form, video transmission for both compressed and wideband video, and dedicated point-to-point private line for voice and data.

In telecommunications, insertion loss is the loss of signal power resulting from the insertion of a device in a transmission line or optical fiber and is usually expressed in decibels ( dB ).

In telecommunications, an interface standard is a standard that describes one or more functional characteristics ( such as code conversion, line assignments, or protocol compliance ) or physical characteristics ( such as electrical, mechanical, or optical characteristics ) necessary to allow the exchange of information between two or more ( usually different ) systems or pieces of equipment.

See also Long line ( telecommunications )

In telecommunication, part 68 ( Subpart F obsolete ) is the section of Title 47 of the Code of Federal Regulations of the United States governing ( a ) the direct connection of telecommunications equipment and customer premises wiring with the public switched telephone network and certain private line services, such as ( 1 ) foreign exchange lines at the customer premises end, ( 2 ) the station end of off-premises stations associated with PBX and Centrex services, ( 3 ) trunk-to-station tie lines at the trunk end only, and ( 4 ) switched service network station lines, i. e., common control switching arrangements ; and ( b ) the direct connection of ( 1 ) all PBX and similar systems to private line services for tie trunk type interfaces, ( 2 ) off-premises station lines, and ( 3 ) automatic identified outward dialing ( AIOD ) and message registration.

Simple DC signalling can be achieved on a telecommunications line in a similar way to phantom powering of microphones.

In telecommunications, reflection loss occurs on a line which results in part of the energy being reflected back to the source.

In telecommunications, a repeating coil is a voice-frequency transformer characterized by a closed magnetic core, a pair of identical balanced primary ( line ) windings, a pair of identical but not necessarily balanced secondary ( drop ) windings, and low transmission loss at voice frequencies.

In telecommunications, return loss is the loss of signal power resulting from the reflection caused at a discontinuity in a transmission line or optical fiber.

In telecommunications, a self-synchronizing code is a line code in which the symbol stream formed by a portion of one code word, or by the overlapped portion of any two adjacent code words, is not a valid code word.