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  2. Fix problems reading or receiving AOL Mail

    help.aol.com/articles/fix-problems-reading-or...

    Make sure the option "Block All Senders Except Contacts" under "Mail Settings --> Block Senders" is unchecked. If checked, you will not receive messages from anyone not in your contacts. Learn about delivery delays. Messages are often delivered right way though very rarely there may be a delay in transit.

  3. MAC address - Wikipedia

    en.wikipedia.org/wiki/MAC_address

    The Individual Address Block (IAB) is an inactive registry which has been replaced by the MA-S (MAC address block, small), previously named OUI-36, and has no overlaps in addresses with the IAB [6] registry product as of January 1, 2014. The IAB uses an OUI from the MA-L (MAC address block, large) registry, previously called the OUI registry.

  4. Bluetooth mesh networking - Wikipedia

    en.wikipedia.org/wiki/Bluetooth_mesh_networking

    Bluetooth Mesh is a computer mesh networking standard based on Bluetooth Low Energy that allows for many-to-many communication over Bluetooth radio. The Bluetooth Mesh specifications were defined in the Mesh Profile [ 1 ] and Mesh Model [ 2 ] specifications by the Bluetooth Special Interest Group (Bluetooth SIG).

  5. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    The first Bluetooth device was revealed in 1999. It was a hands-free mobile headset that earned the "Best of show Technology Award" at COMDEX. The first Bluetooth mobile phone was the unreleased prototype Ericsson T36, though it was the revised Ericsson model T39 that actually made it to store shelves in June 2001.

  6. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    all models with Bluetooth hands free PREMIUM (excluding Yeti until model change in 2012) Volkswagen: all models with Bluetooth hands free PREMIUM; from ModelYear 2011 this module in those cars have additional HFP protocol, this give the option to support mobiles with SAP functionality - minimal functionality only use of Car Speaker and Microphone .

  7. Bluetooth stack - Wikipedia

    en.wikipedia.org/wiki/Bluetooth_stack

    A Bluetooth stack is software that is an implementation of the Bluetooth protocol stack.. Bluetooth stacks can be roughly divided into two distinct categories: . General-purpose implementations that are written with emphasis on feature-richness and flexibility, usually for desktop computers.

  8. MAC filtering - Wikipedia

    en.wikipedia.org/wiki/MAC_filtering

    MAC addresses are uniquely assigned to each card, so using MAC filtering on a network permits and denies network access to specific devices through the use of blacklists and whitelists. While the restriction of network access through the use of lists is straightforward, an individual person is not identified by a MAC address, rather a device ...

  9. IEEE 802.11 - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.11

    An 802.11 frame can have up to four address fields. Each field can carry a MAC address. Address 1 is the receiver, Address 2 is the transmitter, Address 3 is used for filtering purposes by the receiver. [dubious – discuss] Address 4 is only present in data frames transmitted between access points in an Extended Service Set or between ...