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2. FM transmitter (personal device) - Wikipedia

   en.wikipedia.org/wiki/FM_transmitter_(personal...

   A personal FM transmitter is a low-power FM radio transmitter that broadcasts a signal from a portable audio device (such as an MP3 player or a smartphone) to a standard FM radio. Most of these transmitters plug into the device's headphone jack and then broadcast the signal over an FM broadcast band frequency, so that it can be picked up by any ...

3. iBeacon - Wikipedia

   en.wikipedia.org/wiki/IBeacon

   Smartphone detecting an iBeacon transmitter. iBeacon is a protocol developed by Apple and introduced at the Apple Worldwide Developers Conference in 2013. [1] Various vendors have since made iBeacon-compatible hardware transmitters – typically called beacons – a class of Bluetooth Low Energy (BLE) devices that broadcast their identifier to nearby portable electronic devices.

4. Transmitter - Wikipedia

   en.wikipedia.org/wiki/Transmitter

   Commercial FM broadcasting transmitter at radio station WDET-FM, Wayne State University, Detroit, US.It broadcasts at 101.9 MHz with a radiated power of 48 kW.. In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna with the purpose of signal ...

5. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   For example, Android Beam software uses NFC to enable pairing and establish a Bluetooth connection when doing a file transfer and then disabling Bluetooth on both devices upon completion. [81] Nokia, Samsung, BlackBerry and Sony [82] have used NFC technology to pair Bluetooth headsets, media players and speakers with one tap. [83]

6. Bluetooth - Wikipedia

   en.wikipedia.org/wiki/Bluetooth

   A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs).

7. FM transmitter - Wikipedia

   en.wikipedia.org/wiki/FM_transmitter

   FM transmitter may refer to: A transmitter sending out a frequency modulated signal; A personal FM transmitter, a very short range device to enable the listening of ...

8. Radio receiver - Wikipedia

   en.wikipedia.org/wiki/Radio_receiver

   Due to their higher frequency, FM band radio signals cannot travel far beyond the visual horizon; limiting reception distance to about 40 miles (64 km), and can be blocked by hills between the transmitter and receiver. However FM radio is less susceptible to interference from radio noise (RFI, sferics, static) and has higher fidelity; better ...

9. Smartphone - Wikipedia

   en.wikipedia.org/wiki/Smartphone

   By Q1 2018, over 383 million smartphones were sold with 85.9 percent running Android, 14.1 percent running iOS and a negligible number of smartphones running other OSes. [273] Android alone is more popular than the popular desktop operating system Windows, and in general, smartphone use (even without tablets) exceeds desktop use.