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  2. Type Allocation Code - Wikipedia

    en.wikipedia.org/wiki/Type_Allocation_Code

    The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM , UMTS , LTE , 5G NR , iDEN , Iridium or other IMEI-employing wireless ...

  3. Samsung SPH-N270 - Wikipedia

    en.wikipedia.org/wiki/Samsung_SPH-N270

    The Samsung SPH-N270 or Matrix phone is a bar style mobile phone released in 2003, made to resemble the phone used in The Matrix Reloaded. The design crew of the Matrix worked closely with Samsung to develop a phone whose features and release date would coincide with the movie. The SPH-N270 was not intended as a mainstream phone for everyday use.

  4. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    Many wireless mobile headsets use Bluetooth technology, supported by many phones and computers, sometimes by connecting a Bluetooth adapter to a USB port. Since version 1.1 Bluetooth devices can transmit voice calls and play several music and video formats, but audio will not be played in stereo unless the cell phone or media device, and the ...

  5. Interruptible foldback - Wikipedia

    en.wikipedia.org/wiki/Interruptible_foldback

    Interruptible foldback (IFB), also known as interrupted foldback, interruptible feedback, or interrupt for broadcast, is a monitoring and cueing system used in television, filmmaking, video production, and radio broadcast for one-way communication from the director or assistant director to on-air talent or a remote location.

  6. Crystal earpiece - Wikipedia

    en.wikipedia.org/wiki/Crystal_earpiece

    A crystal earpiece typically consists of a piezoelectric crystal with metal electrodes attached to either side, glued to a conical plastic or metal foil diaphragm, enclosed in a plastic case. The piezoelectric material used in early crystal earphones was Rochelle salt , but modern earphones use barium titanate , or less often quartz .

  7. No those weren't transmitters in Kamala Harris' ears during ...

    www.aol.com/no-evidence-were-transmitters-kamala...

    Using an earpiece to communicate with anyone during the debate would have been a flagrant violation of its rules, which prohibit interactions with campaign staff during commercial breaks.

  8. LG enV2 (VX9100) - Wikipedia

    en.wikipedia.org/wiki/LG_enV2_(VX9100)

    The LG enV2 was a Verizon Wireless digital messaging feature phone manufactured by LG.It was available in standard black as well as maroon (pomegranate, in Canada). Both the colors were available at Verizon Wireless in the U.S., and Telus stores and Koodo stores in Canada, and were released on the same date.

  9. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.