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  2. Motorola PageWriter 2000 - Wikipedia

    en.wikipedia.org/wiki/Motorola_PageWriter_2000

    Motorola PageWriter 2000. The Motorola PageWriter 2000 was a two-way pager introduced in 1998. [1] Featuring the 68000 based Motorola DragonBall processor, 1 MB of internal storage, a four color grayscale screen, IrDA transmitter/receiver, and a full QWERTY keyboard the PageWriter represented a combination of both PDA and pager in one package.

  3. Two-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Two-phase_electric_power

    Two-phase electric power. Two-phase electrical power was an early 20th-century polyphase alternating current electric power distribution system. Two circuits were used, with voltage phases differing by one-quarter of a cycle, 90°. Usually circuits used four wires, two for each phase. Less frequently, three wires were used, with a common wire ...

  4. Two-way television - Wikipedia

    en.wikipedia.org/wiki/Two-way_television

    Two-way television. Two-way television can refer to: an early name (one of more than a dozen different ones) used for videophones during the period of the 1920s to the 1960s, a name commonly used for interactive television. Less commonly, it can also refer to: Closed-circuit television. Category:

  5. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    Appropriate wiring and transient protection for engine control computers is a necessary part of an installation. Wiring should be similar in size to the wiring to the vehicle engine starter motor. Mechanical vehicle mounted devices usually have an electric brake, a solenoid that presses a friction pad against the siren rotor.

  6. DIN 72552 - Wikipedia

    en.wikipedia.org/wiki/DIN_72552

    wiper motor + in 1, 3, 54d, S 53a limit stop + 54, +2 53b limit stop field 3, 54e 53c washer pump 53e stop field 1, 2 53i wiper motor with permanent magnet, third brush for high speed Acoustic warning 71 beeper in H 71a beeper out, low 71b beeper out, high 72 hazard lights switch 85c hazard sound on Switches 81 opener 81a 1 out 81b 2 out 82 lock in

  7. FLEX (protocol) - Wikipedia

    en.wikipedia.org/wiki/FLEX_(protocol)

    In The Netherlands the emergency services use the Flex-protocol in the nationwide P2000 network for pagers. The traffic on this network can be monitored online. [1]In South Australia the State's SAGRN network for the Emergency Services paging system (CFS, SES, MFS and SAAS) is run on the FLEX 1600 protocol, and can be monitored online.

  8. PocketGenie - Wikipedia

    en.wikipedia.org/wiki/PocketGenie

    Type. Business collaborative software, Finance. License. Trialware [ 1] PocketGenie was an embedded wireless application developed for two-way pagers in 1997. At the time WAP was commonplace for mobile services; PocketGenie utilized HTML and URL links. [ 2][ 3] It was the first commercial wireless service for RIM (BlackBerry) and Motorola. [ 4]

  9. Talk:Pager - Wikipedia

    en.wikipedia.org/wiki/Talk:Pager

    Skytel used to do one-way paging service by starting with the page in your primary service area and then sending it to all areas. They were an early adatper of FLEX so that the pager would register when it entered an an area (abbreviated two-way) to lower channel congestion. They also used two-way to guarantee reception of pages.