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Free-to-air (FTA) is a word utilised to expound television (TV) and radio broadcasts, which are broadcast, unencrypted and may as a consequence be picked up via any opportune beneficiary. The residence should not be surprised with free-to-view, which describes TV, which is unspoken for short subscription, but which is encoded and may as a consequence be bounded geographically. Neither of these options can be delineate as pay-TV, which describes a payment service, which is encrypted. The residence typically refers to assignment by outer television, but in miscellaneous environs of the global wherever encrypted digital earthly box channels exist, air on UHF or VHF bands, it can besides be applied to those systems.

Although these channels are represented as do away with to use, the watcher does in reality pay for them. Some are rewarded straight by reimbursement of a licence fee or unforced donation, wherever as others are paying obliquely for consumer products and employment where member of the damage goes toward telecasting advertizement and support.

Free-to-air is in use for broad-based mass medium. It can regularly be delineate as television's equal of shortwave radio. There are a figure of opposing systems in use, beside primal adopters having previously owned C-band satellite dishes of several feet in length to have signals which were originally analogue FM, next digital exploitation the Motorola-proprietary Digicipher II system or after that motionless going to Ku-band and underneath one-metre dishes near most normally the broad-based DVB run of the mill. The next are the types of Free-to-air Receivers:

Satellite Dish
A outer crockery is a partisan class of parabolic antenna designed with the task of transmission signals to and/or unloading from satellites. A satellite container is a dedicated class of electromagnetic wave antenna, which comes in varied sizes and designs, and is furthermost prevalently in use to get satellite video.

Satellite Television
Satellite box is tv delivered by way of subject field satellites, as compared to typical physical object television and cable video. In many areas of the planetary outer tube work insert older terrestrial signals, providing a broader reach of channels and services, with subscription-only services.

Set Top Box
The term set-top box describes a machinery that connects to a tube and whatsoever external derivation of signal, and turns the make a gesture into content, which is afterwards displayed on the blind. The impressive cause possibly will be an local area network cable, a satellite dish, a homocentric cable, a electronic equipment line, Broadband complete Power Line, or even an commonplace VHF or UHF aerial. This agency any or all of video, audio, Internet webpages, synergistic games, or separate possibilities. A set-top box does not e'er inevitability to encompass a piano tuner of its own.

A box together to a tv set's SCART connecter is fed with the baseband television motion from the set's tuner, and can ask the video to big deal the returned processed summon or else. This characteristic is used for cryptography Pay TV, and in the ult was in use for decryption teletext, earlier decoders became inbuilt. The forthcoming sign can be of the very temper as the elect signal, or even an "insert" over the original signal, gratitude to the "fast switching" feature of SCART whereas in travel case of Pay TV, this medication avoids the hassles related beside having a 2nd far-flung evenness.