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2. Bluetooth Low Energy beacon - Wikipedia

   en.wikipedia.org/wiki/Bluetooth_low_energy_beacon

   Bluetooth 2.1 improved device pairing speed and security. Bluetooth 3.0 again improved transfer speed up to 24 Mbit/s. In 2010 Bluetooth 4.0 (Low Energy) was released with its main focus being reduced power consumption. Before Bluetooth 4.0 the majority of connections using Bluetooth were two way, both devices listen and talk to each other.

3. 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 ...

4. Signal booster - Wikipedia

   en.wikipedia.org/wiki/Signal_booster

   A signal booster is a system which increases, or appears to increase, the power of a radio signal. The term may refer to: The term may refer to: Radio repeater

5. 5 ways to boost your iPhone’s signal strength - AOL

   www.aol.com/news/5-ways-boost-iphone-signal...

   No matter which iPhone you use, you’ll invariably deal with a bad or no signal at some point. Kim Komando offers 5 ways to boost signal strength.

6. Bluetooth Low Energy - Wikipedia

   en.wikipedia.org/wiki/Bluetooth_Low_Energy

   On the technical side, Bluetooth 5 will quadruple the range by using increased transmit power or coded physical layer, double the speed by using optional half of the symbol time compared to Bluetooth 4.x, and provide an eight-fold increase in data broadcasting capacity by increasing the advertising data length [clarification needed] of low ...

7. The best smart speakers for seniors in 2023 - AOL

   www.aol.com/lifestyle/best-smart-home-speakers...

   Continuing with the bedroom example, if Wi-Fi signal strength in there isn't great, the Dot can boost it. All this comes from a little orb that sounds surprisingly decent for its size.

8. Apple AirTags are helping cops catch thieves. Here's how you ...

   www.aol.com/news/apple-airtags-helping-cops...

   Apple's AirTag can help you with both. Released in 2021, the $29 Apple AirTag was created to help users easily locate items through a Bluetooth signal. Some people are even using it to find their ...

9. 2.4 GHz radio use - Wikipedia

   en.wikipedia.org/wiki/2.4_GHz_radio_use

   Bluetooth devices intended for use in short-range personal area networks operate from 2.4 to 2.4835 GHz. To reduce interference with other protocols that use the 2.45 GHz band, the Bluetooth protocol divides the band into 80 channels (numbered from 0 to 79, each 1 MHz wide) and changes channels up to 1600 times per second.