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
Advanced Mobile Phone System (redirect from N-AMPS)
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
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
Nokia 6610 (section AMPS/D-AMPS-based model - 6560)
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
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...
8 KB (845 words) - 15:03, 31 July 2024
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
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
Operational amplifier (redirect from Op amps)
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
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
Deoxyadenosine monophosphate (dAMP), also known as deoxyadenylic acid or deoxyadenylate in its conjugate acid and conjugate base forms, respectively, is...
3 KB (176 words) - 01:00, 21 September 2024
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...
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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