• Thumbnail for Bell 202 modem
    The Bell 202 modem was an early (1976) modem standard developed by the Bell System. It specifies audio frequency-shift keying (AFSK) to encode and transfer...
    4 KB (442 words) - 22:18, 16 December 2024
  • Thumbnail for Bell 103 modem
    The Bell 103 modem or Bell 103 dataset was the second commercial modem for computers, released by AT&T Corporation in 1963. It allowed digital data to...
    3 KB (374 words) - 22:18, 16 December 2024
  • Thumbnail for Bell 101 modem
    Bell 101 data set standard. List of device bandwidths Bell 202 modem "Getting connected: a history of modems". TechRadar. Retrieved 2017-07-01. "Bell...
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  • Thumbnail for Modem
    the SAGE modems was made available commercially as the Bell 101, which provided 110 bit/s speeds. Bell called this and several other early modems "datasets"...
    68 KB (7,809 words) - 21:38, 26 November 2024
  • Thumbnail for Frequency-shift keying
    modems used audio frequency-shift keying (AFSK) to send and receive data at rates up to about 1200 bits per second. The Bell 103 and Bell 202 modems used...
    16 KB (1,908 words) - 03:39, 31 July 2024
  • ITU-T V.23 (redirect from V23 modem)
    Prestel service. The BELL 202 communications standard defines a similar modulation scheme. Caller ID "Appendix G: Antique Modems", Modem-HOWTO (v0.39 ed.)...
    3 KB (308 words) - 10:04, 10 October 2024
  • about twice that used in the European systems. In videotext mode, Bell 202 modems were typical, offering a 1,200 bit/s download rate. A set top box attached...
    14 KB (1,862 words) - 04:30, 31 July 2024
  • Thumbnail for Packet radio
    stations were constructed using surplus Bell 202 1,200 bit/s modems, and despite its low data rate, Bell 202 modulation has remained the standard for...
    21 KB (2,898 words) - 03:39, 10 November 2024
  • Thumbnail for Novation CAT
    Novation CAT (category Modems)
    also supported the Bell 202 protocol, which allowed half-duplex 1200 bit/s operation when connecting to another Apple-CAT II modem. This was an exceptionally...
    11 KB (1,611 words) - 22:33, 25 September 2024
  • Thumbnail for Serial port
    computers, data has been transferred through serial ports to devices such as modems, terminals, various peripherals, and directly between computers. While interfaces...
    32 KB (3,596 words) - 20:06, 6 December 2024
  • Thumbnail for DTMF
    country. The Bell System defined them in the Precise Tone Plan. Bell's Multi-frequency signaling was exploited by blue box devices. Some early modems were based...
    19 KB (2,146 words) - 20:03, 11 December 2024
  • Thumbnail for RS-232
    defined for use with half-duplex (one direction at a time) modems such as the Bell 202. These modems disable their transmitters when not required and must...
    41 KB (5,354 words) - 03:25, 1 December 2024
  • baud Bell 202 tones and 9600 baud G3RUH DFSK are almost exclusively used on VHF and UHF. On HF the standard transmission mode is 300 baud Bell 103 tones...
    16 KB (2,074 words) - 13:31, 17 February 2024
  • switch as an analog data stream (similar to data passed between two modems), using Bell 202 modulation between the first and second rings, while the telephone...
    52 KB (5,741 words) - 21:06, 22 December 2024
  • original on 12 January 2018. Retrieved 11 January 2018. "USNO Master Clock modem time". Archived from the original on 2017-12-27. Retrieved 2018-01-15. Recommendation...
    17 KB (1,131 words) - 21:12, 8 July 2024
  • the program. Paige sees "Nagata" acting in a movie. 241 22 "Dial M for Modem" Joseph Scanlan Lawrence Kasha April 13, 1989 (1989-04-13) 22.2 Paula's...
    384 KB (6,248 words) - 00:06, 30 September 2024
  • Thumbnail for Videotex
    signal or completely by telephone using a Bell 202 style (split baud rate 150/1200[citation needed]) modem. The TV signal was used in a similar fashion...
    44 KB (6,046 words) - 18:45, 24 October 2024
  • Thumbnail for North American Numbering Plan
    codes, particularly between 1990 and 2005. The widespread adoption of fax, modem, and mobile phone communication, as well as the deregulation of local telecommunication...
    73 KB (8,897 words) - 23:33, 18 December 2024
  • Thumbnail for United States Naval Observatory
    before the next scheduled local time announcement The USNO also operates a modem time service, and provides time to the Global Positioning System. The United...
    38 KB (3,293 words) - 06:08, 6 November 2024
  • voice lines. It sent a small burst of information using the 1200 bit/s Bell 202 modulation in the time between the first and second rings. The concept...
    26 KB (3,361 words) - 22:40, 19 March 2024
  • Thumbnail for Internet
    Common methods of Internet access by users include dial-up with a computer modem via telephone circuits, broadband over coaxial cable, fiber optics or copper...
    155 KB (16,447 words) - 04:50, 22 December 2024
  • the inductive load of traditional hybrids became a liability for computer modem users, and remaining loading coils in subscriber lines were scrapped. Different...
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  • 211 Flange and Modem Doozer have been trying new ideas for their building material; Flange added tomato extract (ketchup), and Modem added mustard powder...
    83 KB (89 words) - 18:08, 29 November 2024
  • Thumbnail for Communication
    a modem as a transmitter to send information to a server through the public telephone network as the transmission system. The server may use a modem as...
    173 KB (17,441 words) - 21:55, 20 December 2024
  • Thumbnail for Prussia
    Noble Enterprise of State Building Reconsidering the Rise and Fall of the Modem State in Prussia and Poland". Comparative Politics. 44 (44#1): 21–38. doi:10...
    97 KB (11,156 words) - 13:57, 19 December 2024
  • Thumbnail for Nokia
    computers. On 26 April 2001, Nokia partnered with Telefónica to supply DSL modems and routers in Spain. In 1997, Nokia established a joint venture with Brazilian...
    150 KB (14,001 words) - 13:46, 25 December 2024
  • Thumbnail for Boeing B-52 Stratofortress
    CONECT upgrades include software and hardware such as new computer servers, modems, radios, data-links, receivers, and digital workstations for the crew. One...
    169 KB (19,542 words) - 05:47, 24 December 2024
  • Thumbnail for Nakba
    20-23 ("[p. 21] Even though it is not the only act of ‘ethnic cleansing’ in modem history, the Nakba is unique in many ways ... [p. 23] Some may argue that...
    347 KB (49,051 words) - 16:03, 22 December 2024
  • PC card IEEE 802.11b 11 Mbit/s Nokia C111 PC card, with external antennas Nokia MW1122 ADSL modem with wireless interface Nokia D211 WLAN/GPRS PC card...
    142 KB (3,003 words) - 11:36, 10 December 2024
  • 2007 Turing Award Winners Announced Claude Shannon (1948). "Bell System Technical Journal". Bell System Technical Journal. Wilkinson, J. H. (1971). "Some...
    67 KB (1,564 words) - 16:25, 15 December 2024