IS-54

IS-54

(Interim Standard-54) The first generation of the TDMA digital cellular system which was released in early 1991. See IS-136.
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We were "transitioning between IS-54 and IS-136 so we were out of the TDMA market while transitioning.
The digital phone will work on AT&T Wireless Services' (AWS) TDMA (time division multiple access) system in Dallas, which in June was upgraded to the more advanced IS-136 standard from the older IS-54 standard AT&T is one of the first companies to roll out an upgraded system, with build-out in all 29 of its TDMA markets expected by the end of this year, a spokeswoman for the company said.
Support for communication standards IS-95, IS-54, GSM and others are built in.
The system supports the IS-54 time division multiple access (TDMA) standard, approved by the Telecommunications Industry Association.
And, it can handle up to eight telephones in technologies such as AMPS, IS-54, IS-136-800, IS-136-1900, PCS 1900, iDEN, CDMA 800, CDMA 1900.
Under the agreement, InterDigital Technology will receive a royalty advance in excess of $20 million and potential additional royalties on digital wireless telephones and infrastructure equipment built in accordance with the TDMA based IS-54, IS-136, GSM, DCS-1800/1900, PDC and PHS standards.
Today, in addition to GSM, LCC products support multiple protocols or industry standards including AMPS, NAMPS, ETACS, CDMA, IS-54, IS-136 and iDEN.
Flexibility and expandability are key to the EXP-2001, which can be configured with multiple technologies (AMPS, N-AMPS, TDMA, GSM, IS-54, DCS 1800, DCS 1900, CDMA, ESMR) and up to 4 scan receivers, 3 transceivers, navigation subsystem modules, and audio analysis modules.
Oestreicher, Corsair's vice president of engineering, PhonePrint already protects analog phones and TDMA phones using IS-54.
Under the agreement, InterDigital Technology will receive a royalty advance of approximately $15 million and additional royalties on various types of digital wireless telephones including those built in accordance with the TDMA-based IS-54, IS-136, GSM, DCS-1800/1900 and other standards once the prepayment is fully utilized.
National's PLL customer base includes the leading companies that design and manufacture wireless communications products, supporting a range of digital standards such as IS-54, IS-95, GSM, DCS1800, PDC and PHS.