• IS-54 and IS-136. D-AMPS competed against GSM and systems based on code-division multiple access (CDMA). D-AMPS uses existing AMPS channels and allows...
    17 KB (2,650 words) - 19:30, 26 August 2024
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    required to support AMPS and companies such as AT&T and Verizon Communications have discontinued this service permanently. AMPS was discontinued in Australia...
    32 KB (2,713 words) - 01:49, 17 September 2024
  • are externally similar to the 3310 and 3390, but they use Digital AMPS ("TDMA")/AMPS technology rather than GSM. Like the Asian 3350, they include two...
    19 KB (1,769 words) - 10:31, 28 October 2024
  • Thumbnail for Class-D amplifier
    A class-D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic...
    15 KB (2,069 words) - 18:26, 17 September 2024
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    AMPS ("TDMA")/AMPS technology. As with the CDMA and GSM variants, the 6560 uses the same fascia and form factor. This was Nokia's most feature-rich D-AMPS...
    4 KB (302 words) - 15:53, 30 July 2024
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    GSM-1900. Nokia 8260 is a variant of the 8290 designed for IS-136 "TDMA"/AMPS networks in North America. The 8260, weighing 3.4 ounces, is slightly heavier...
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  • Look up amps in Wiktionary, the free dictionary. AMPS, Amps may refer to: Abbreviation of the plural for ampere, a unit of electric current Abbreviation...
    2 KB (275 words) - 06:28, 12 August 2023
  • standards. The most widely used of these technologies is called Digital AMPS, or D-AMPS. Data services were provided by BellSouth Wireless Data, and used the...
    3 KB (214 words) - 11:47, 21 July 2020
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    LINK GSM 900 (EUROPE) GSM 1900 (US) (6190) D-AMPS 800 MHz (US) (6120) D-AMPS 800/1900 MHz (US) (6160) IS-95/AMPS 800/1900 MHz (US) (6185) Extended NiMH Battery...
    5 KB (449 words) - 03:02, 23 October 2024
  • 30+ Smart Feature OS KaiOS Note: Phones in boldface are smartphones Status: D = discontinued; P = in production; C = cancelled DCT1-DCT4 = Nokia Digital...
    132 KB (3,003 words) - 16:27, 25 October 2024
  • frequency range; for example, AMPS, D-AMPS, N-AMPS and IS-95 all use the 800 MHz frequency band. Moreover, one can find both AMPS and IS-95 networks in use...
    5 KB (647 words) - 18:15, 25 April 2022
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    the op amp. The maximum output of most op amps is further reduced by some amount due to limitations in the output circuitry. Rail-to-rail op amps are designed...
    78 KB (10,192 words) - 15:34, 24 October 2024
  • caps inherent in the original Advanced Mobile Phone System (AMPS) and Digital AMPS (D-AMPS) cellular networks in the '850 MHz' band (specifically 814–894 MHz)...
    11 KB (1,086 words) - 03:57, 23 January 2024
  • Mobile Soft Switch (Multiple Technologies) PCU (GSM) RXCDR (GSM) Status: D = discontinued; P = in production See also: Integrated Digital Enhanced Network...
    89 KB (3,064 words) - 15:20, 5 November 2024
  • Puerto Rico (Claro) Serbia (A1) Slovenia (A1 Slovenija) Uruguay (Claro) List D-AMPS, cdmaOne, CDMA2000 1x, EV-DO, GSM, GPRS, EDGE, UMTS, HSPA+, LTE 311.6 (March...
    38 KB (596 words) - 12:18, 2 November 2024
  • also proposed, at one stage, to support packet radio services in the US D-AMPS TDMA system, however, in practice, all of these networks have been converted...
    15 KB (2,032 words) - 16:06, 4 April 2023
  • and some op amps with very low offset voltage may not even require offset correction. Offset correction is a bigger concern for older op amps, particularly...
    11 KB (1,674 words) - 18:30, 15 August 2024
  • Houston Cellular was a Houston-based cell phone company which provided AMPS and D-AMPS (TDMA) service in the Greater Houston area. It was formed in 1983 and...
    7 KB (620 words) - 14:11, 27 October 2024
  • 3 Amped (116 Clique EP) Amped (Seven Witches album), 2005 Amped (Those Darn Accordions EP), 2002 Amped (novel), 2012 A.M.P.E.D., a 2007 American television...
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    transmitters, frequency-division multiple access (FDMA, used by analog and D-AMPS[citation needed] systems), time-division multiple access (TDMA, used by...
    38 KB (4,769 words) - 04:39, 19 October 2024
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    were also second-generation (2G) mobile phone systems, known as (Digital AMPS) and used TDMA with three time slots in each 30 kHz channel, supporting 3...
    14 KB (1,449 words) - 11:48, 7 October 2024
  • company was founded in 1992 in Moscow, Russia and initially operated AMPS/D-AMPS network in Moscow and Moscow Oblast. The brand "Beeline" was created...
    10 KB (718 words) - 00:31, 9 November 2024
  • Thumbnail for Deoxyadenosine monophosphate
    Deoxyadenosine monophosphate (dAMP), also known as deoxyadenylic acid or deoxyadenylate in its conjugate acid and conjugate base forms, respectively, is...
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    service on their AMPS and remaining TDMA network, except for in areas previously operated by Dobson Communications; the Dobson AMPS and TDMA network was...
    80 KB (8,392 words) - 12:12, 23 October 2024
  • operated under the brand name of Cellular One, and provided service on a D-AMPS and GSM network. The company purchased the rights to the Cellular One name...
    5 KB (434 words) - 04:35, 4 February 2024
  • consists mainly of NTSC analog television, analog radio, telephony, AMPS, D-AMPS, and GSM mobile telephony, and the Internet. Telephone service is provided...
    11 KB (989 words) - 00:12, 4 July 2024
  • Telecom started the first cellular network service using AMPS in 1987. This transitioned to D-AMPS TDMA digital services in the early 1990s. The service...
    63 KB (6,422 words) - 10:53, 7 November 2024
  • Rate Interface (2 B-channels + 1 D-channel) of 64+64+16 = 144 kbit/s also refers to the payload data rates, while the D channel signalling rate is 16 kbit/s...
    30 KB (3,421 words) - 13:52, 15 June 2024
  • psychiatric concept Deoxyadenosine monophosphate, or dAMP, a nucleic acid Digital AMPS, or D-AMPS, second-generation mobile phone systems Hitachi Disk...
    1 KB (196 words) - 15:33, 9 August 2023
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    be the first service to set up a PCS. D-AMPS: Digital Advanced Mobile Phone Service, an upgraded version of AMPS, is being phased out due to advancement...
    32 KB (3,592 words) - 12:16, 22 October 2024