Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 bands ( 1 MHz each ; centered from 2402 to 2480 MHz ) in the range 2, 400 – 2, 483. 5 MHz ( allowing for guard bands ).

Bluetooth uses the microwave radio frequency spectrum in the 2. 402 GHz to 2. 480 GHz range.

Anheuser-Busch uses what is in many jurisdictions a legally-protected mark-of-origin indicating Czech provenance and humorous advertising campaigns to promote Budweiser, such as the " Real Men of Genius " radio and television commercials for Bud Light.

Many countries are replacing broadcast analog television with digital television to allow other uses of the television radio spectrum.

The A, B, C and D tones are used in radio phone patch and repeater operations to allow, among other uses, control of the repeater while connected to an active phone line.

For example, the Kothmale Community Radio Internet uses both radio broadcasts and computer and Internet technologies to facilitate the sharing of information and provide educational opportunities in a rural community in Sri Lanka.

An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via telecommunication lines or radio.

EDGE, like GPRS, uses a rate adaptation algorithm that adapts the modulation and coding scheme ( MCS ) according to the quality of the radio channel, and thus the bit rate and robustness of data transmission.

The DoD is required by law to " maintain a Standard Positioning Service ( as defined in the federal radio navigation plan and the standard positioning service signal specification ) that will be available on a continuous, worldwide basis ," and " develop measures to prevent hostile use of GPS and its augmentations without unduly disrupting or degrading civilian uses.

Magnetic resonance angiography uses magnetic fields and radio waves to provide detailed images of the blood vessels.

It uses strong magnetic fields and non-ionizing electromagnetic fields in the radio frequency range, unlike CT scans and traditional X-rays, which both use ionizing radiation.

Satellite radio usually uses DJs, but their programming blocks are longer and not distinguished much by the time of day.

Bluetooth uses short-range radio waves over distances up to approximately 10 metres.

WiFi uses radio waves for connection over distances up to around 91 metres, usually in a local area network ( LAN ) environment.

Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects.

One example is " lidar ", which uses visible light from lasers rather than radio waves.

The War Department and the Navy Department sought to maintain a Federal monopoly of all uses of radio technology.

Domestic telecom in the country uses a microwave radio relay network.

Also, it is trivial to transmit a carrier radio signal to a geostationary satellite and thus interfere with the legitimate uses of the satellite's transponder.

In radio communications, single-sideband modulation ( SSB ) or single-sideband suppressed-carrier ( SSB-SC ) is a refinement of amplitude modulation that more efficiently uses transmitter power and bandwidth.

In electronics, a superheterodyne receiver ( sometimes shortened to superhet ) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which can be more conveniently processed than the original radio carrier frequency.

The demodulator uses the IF signal rather than the original radio frequency to recreate a copy of the original information ( such as audio ).

Although other forms such as closed-circuit television ( CCTV ) are in use, the most common usage of the medium is for broadcast television, which was modeled on the existing radio broadcasting systems developed in the 1920s, and uses high-powered radio-frequency transmitters to broadcast the television signal to individual TV receivers.

Examples of a one-way time transfer system are the clock on a church or town building and the ringing of their time-indication bells ; time balls, radio clock signals such as LORAN, DCF77 and MSF ; and finally the Global Positioning System which uses multiple one-way time transfers from different satellites, with positional information and other advanced means of delay compensations to allow receiver compensation of time and position information in real time.

: general assessment: modern system with total digital switching, uses fiber-optic cable and microwave radio relay

In this episode it is shown that when you hold two sonic items together it creates harmful sound waves, which the doctor uses to escape.

The new technique, called ultrasound-computed tomography ( ultrasound CT ), uses sound waves to accurately detect small tumors that traditional mammography cannot.

The Variable Specific Impulse Magnetoplasma Rocket, sometimes referred to as the Electro-thermal Plasma Thruster or Electro-thermal Magnetoplasma Rocket, uses radio waves < ref >

Surface waves have been used in over-the-horizon radar, which operates mainly at frequencies between 2 and 20 MHz over the sea, which has a sufficiently high conductivity to convey the surface waves to and from a reasonable distance ( up to 100 km or more ; over-horizon radar also uses skywave propagation at much greater distances ).

Radiation uses photons to transmit electromagnetic waves through a vacuum, or translucent medium.

" The second type uses an " arching ascent-descent structure " and is less dependent on lyrics, making it " more evocative of rolling waves on the open sea.

Magnetic resonance imaging ( MRI ) uses radio frequency waves to generate images of the human body.

Examples include Vertico SMI, near field scanning optical microscopy which uses evanescent waves, and stimulated emission depletion.

A parabolic microphone is a microphone that uses a parabolic reflector to collect and focus sound waves onto a receiver, in much the same way that a parabolic antenna ( e. g., satellite dish ) does with radio waves.

When the Dinozords are destroyed by Lord Zedd, Alpha 5 uses a refraction of energy waves, combined with the remains of the Dinozords, to create the Thunderzords.

The DPM uses acoustical ( sound ) waves to position a drop in the center of a chamber.

A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves.

This method of propagation uses the tropospheric scatter phenomenon, where radio waves at particular frequencies are randomly scattered as they pass through the upper layers of the troposphere ( hence troposcatter ).

A pulse detonation engine, or " PDE ", is a type of propulsion system that uses detonation waves to combust the fuel and oxidizer mixture.

Medical ultrasonography uses high frequency broadband sound waves in the megahertz range that are reflected by tissue to varying degrees to produce ( up to 3D ) images.

The linac within the Australian Synchrotron uses radio waves from a series of Resonator # Cavity resonators | RF cavities at the start of the linac to accelerate the electron beam in bunches to energies of 100 MeV.

The song uses examples such as the lions on the English football team's shirts, Britannia and the English patron saint, St. George ( from Lebanon ), the hyphen in Anglo-Saxon and the nation's favourite dish ( curry ) to convey his message that everything about English culture is shaped and influenced by the waves of immigration that have taken place in the past.