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MOTOROLA INTRODUCES ITS NEW SC 9600 CELLULAR SYSTEM

 ARLINGTON HEIGHTS, Ill., Feb. 25 /PRNewswire/ -- Motorola's (NYSE: MOT) Cellular Infrastructure Group (CIG) announces the introduction of its next generation base station system, the SC(TM) 9600.
 "The introduction of the SC 9600 is in response to the increasing diversity of wireless technologies around the world at all frequencies, the need to improve the compactness of cell site design and to reduce maintenance and operating costs," said Jack Scanlon, senior vice- president and general manager, Cellular Infrastructure Group.
 The system provides a number of unique benefits, particularly to the Pan American marketplace. Its architecture can support both analog and digital air interfaces (AMPS, NAMPS, TDMA, CDMA) within the same cabinets. This allows the operator the potential for maximum freedom of choice in the technology decision, with a minimum disruption of service to customers during the transition to digital.
 The initial offering of the SC 9600 for the Pan American market will support the CDMA (Code Division Multiple Access) air interface. With SC 9600's innovative design, more than 600 CDMA voice channels can be supported in a single cabinet.
 In September 1992, US West NewVector Group announced the first purchase of a CDMA-based digital cellular system (Motorola's SC 9600) in the world. The equipment will be supplied by MOTOROLA NORTEL Communications Company for the Seattle service area and will be shipped in late 1993.
 CDMA is a spread spectrum technology that assigns a code to all speech bits, sends a scrambled transmission of the encoded speech over the air and reassembles the speech to its original format. The major benefits of CDMA is increased capacity (up to 10 times analog) and more efficient use of spectrum. The magnitude of the capacity increase allows operators tremendous flexibility in system deployment.
 More importantly, CDMA technology provides three features that improve system quality: The "soft hand-off" feature ensures that a call is connected before handoff is completed, reducing the probability of a dropped call. Variable rate vocoding allows speech bits to be transmitted at only the necessary rates required for high quality which conserves the battery power of the subscriber unit. Multipath signal processing techniques combine power for increased signal integrity.
 Additional benefits to the subscriber include increased talk times for handportable units, more secure transmissions and special service options such as data, integrated voice and data, fax and tiered services.
 Other key characteristics of the SC 9600 System address lower operating costs and ease of system maintenance. Control functions are centralized and network resources are dynamically allocated, creating more efficient use of the control complex. Transceiver density is optimized resulting in a four to one savings of floor space. A unique feature called dynamic channel sharing permits all channels in a cell site to be dynamically assigned to any sector, thus allowing for a significant reduction in channels per cell site over existing base station designs. All equipment can be accessed through front panels for ease of maintenance and growth of the system.
 The SC 9600 System's multichannel linear power amplifiers permit remote tuning of cell sites, providing a major reduction in system maintenance costs and also contributing to overall improvement in call quality. A state of the art operations and maintenance center provides realization of significant time and cost savings.
 Reaffirming Motorola's open architecture position, the SC 9600 will have the capability of interfacing with a number of different switching platforms via a variation of the interface specification found in GSM (an open digital cellular system specification developed in Europe).
 The CDMA version for the Pan American market will be the second application of the SC 9600 System. The first application will be TDMA- based (Time Division Multiple Access) and developed for Japan's Digital Cellular standards at both 800 MHz and 1.5 GHz. This version is scheduled to ship in mid-1993.
 MOTOROLA NORTEL Communications Co., headquartered in Schaumburg, is a joint venture company between Motorola and Northern Telecom. MOTOROLA NORTEL sells, services, and supports cellular telephone networks in the United States, Canada, Mexico, Central and South America, Bermuda and the Caribbean. MOTOROLA NORTEL draws on research, manufacturing, and marketing expertise of both parent companies to provide its customer with worldwide class cellular network systems supporting current and emerging standards.
 Motorola is the world's leading designer, manufacturer and supplier of cellular systems, infrastructure equipment and subscriber products. The company is also one of the leading providers of electronic equipment, system components and services for worldwide markets. The company's dedication to quality earned it the first prestigious Malcolm Baldrige National Quality Award, the highest level of national recognition for quality that a United States company can receive.
 -0- 2/25/93
 /CONTACT: Judy SooHoo of Motorola CIG, 708-632-4474; or Trish Cusack of Motorola Nortel, 708-762-7047/
 (MOT)


CO: Motorola ST: Illinois IN: TLS SU: PDT

CK -- NY044 -- 0349 02/25/93 11:25 EST
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Date:Feb 25, 1993
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