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  2. Frequency-hopping spread spectrum - Wikipedia

    en.wikipedia.org/wiki/Frequency-hopping_spread...

    The problem of dynamic interference, gradual reduction of available hopping channels and backward compatibility with legacy Bluetooth devices was resolved in version 1.2 of the Bluetooth Standard (2003). Such a situation can often happen in the scenarios that use unlicensed spectrum.

  3. List of Bluetooth protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_protocols

    The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10.

  4. 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).

  5. 2-Step Verification with a Security Key - AOL Help

    help.aol.com/articles/2-step-verification-with-a...

    A USB or a USB-C to insert the security key or you can connect it wirelessly using Bluetooth or NFC. The latest version of Chrome, Edge, Firefox, Safari or Opera. A FIDO Universal 2nd Factor (U2F) compatible security key that can plug into the USB or lightning port for your device or connect wirelessly using Bluetooth or NFC.

  6. The best Bluetooth trackers for finding lost stuff in 2025 ...

    www.aol.com/lifestyle/the-best-bluetooth...

    Yes, newer Bluetooth iterations promise distances of up to 800 feet, but that assumes both the phone and tracker have the necessary antennas and that there are no obstacles in the way.

  7. I tried Walmart's $15 AirTag alternative, the Onn Item ... - AOL

    www.aol.com/lifestyle/onn-item-tracker-review...

    The Item Locator pairs via Bluetooth, effectively creating a wireless tether between the two. ... My first unit started out OK but developed major problems. Within two weeks of buying, activating ...

  8. AOL app for Android - AOL Help

    help.aol.com/products/aol-app

    With the new AOL mobile app, access your AOL email anywhere and receive instant email notifications. Stay on top of breaking news, trending videos and much more!

  9. 5 Smart Home Upgrades that Can Make Every Day a Tiny ... - AOL

    www.aol.com/5-smart-home-upgrades-every...

    A slow drip can trickle for a long time before becoming a major problem. For less than $1,000, you can purchase a Wi-Fi water sensor or water shutoff control that prevents the unthinkable.