Wireless Facilities Receives Turnkey Engineering Services Contract From PEGASO PCS

- WFI(R) to Support Pegaso's Network Expansion in Mexico Through 2002 -



Apr 19, 2001, 01:00 ET from Wireless Facilities, Inc.

    SAN DIEGO, April 19 /PRNewswire/ --
 Wireless Facilities, Inc. (WFI) (Nasdaq: WFII), a global leader in the
 planning, design, deployment and management of wireless telecommunications
 systems, today announced that it has been awarded a two-year contract by
 PEGASO PCS to provide turnkey radio frequency (RF) engineering services to
 expand Mexico's largest digital PCS network.  The contract calls for the
 design and engineering of more than 750 sites as part of PEGASO's phase three
 and phase four network expansion plans, extending coverage in 50 cities
 throughout Mexico.
     The contract will increase the total number of sites designed by WFI for
 PEGASO PCS to 1,600 since the relationship began in 1998.  WFI was also
 selected by PEGASO last August for the design of their phase-two backbone
 transport network encompassing 420 sites.
     "As we continue to expand our network and bring advanced services such as
 mobile Internet to customers throughout Mexico, it is important for us to
 partner with leading service providers like WFI.  WFI's engineering expertise,
 quality and proven track record will allow us to quickly and cost-effectively
 expand our network to meet the ever growing demand for our services," said
 Michael Robinson, Chief Operating Officer of PEGASO PCS.
     "Increasingly, our customers are looking to us for complete turnkey
 network outsourcing solutions to position themselves for profitable
 expansion," said William Mazilly, Senior Vice President and General Manager of
 WFI de Mexico, WFI's wholly owned subsidiary.  "We are confident that we can
 continue to deliver to PEGASO the quality, reliability and time to market
 advantage they have come to expect from WFI."
 
     About PEGASO PCS
     PEGASO is a Mexican telecommunications company composed of Grupo Pegaso,
 Sprint PCS, Leap Wireless International, Citicorp, LAIF, and Nissho Iwai.
 With a planned initial investment of greater than $1.8 billion, Pegaso is
 deploying the first 100 percent digital network in Mexico offering state of
 the art technology in voice and data services.  PEGASO has launched PCS
 service in Mexico, Guadalajara, Monterrey, Tijuana, Ensenada, Reynosa, Nuevo
 Laredo Toluca and Chapala and will offer nation-wide service by the end of
 2001.  Having acquired the necessary licenses to offer mobile and wireless
 local loop services, PEGASO expects to offer top-quality services to a
 significant share of the Mexican market in the coming years.  For more
 information, please visit www.pegasopcs.com.mx
 
     About Wireless Facilities
     A global leader in telecommunications outsourcing, Wireless Facilities,
 Inc. designs, deploys and manages wireless networks for some of the largest
 cellular, PCS and broadband wireless carriers and equipment suppliers
 worldwide.  Specializing in network architecture and dimensioning of mobile
 and high speed wireless data systems, including third generation (3G)
 networks, WFI provides a complete range of network services -- from business
 and market planning to RF engineering, fixed network engineering, IP and data
 engineering, site acquisition and development, installation, optimization and
 maintenance.  Headquartered in San Diego, WFI has performed work in over
 100 countries since the company was founded in late 1994.  The company has
 offices in Dallas, Chicago, Seattle, Reston VA, Montvale NJ, London,
 Gothenburg, Frankfurt, Madrid, Mexico City, Sao Paulo and New Delhi.  News and
 information are available at www.wfinet.com.
     WFI and the WFI Globe logo are registered trademarks of Wireless
 Facilities, Inc.
 
     Notice Regarding Forward Looking Statements
     This news release contains certain forward-looking statements that involve
 risks and uncertainties.  The Company operates in a very dynamic market
 environment, and expectations or assumptions that appear reasonable as of the
 date hereof may not be reasonable at any point in the future.  Words such as
 "anticipates," "expects," "projects," "intends," "plans," "believes," "may,"
 "will," and similar expressions are intended to identify forward-looking
 statements and specifically include references to the Company's belief that
 the Company can deliver turnkey wireless solutions to Pegaso PCS that will
 enable the Company to execute its business plan as well as well position
 Pegaso for profitable expansion.
 
     Such statements are only predictions, and the Company's actual results may
 differ materially from those anticipated.  Factors that may cause such
 differences, include, but are not limited to: slowdowns in telecommunications
 infrastructure spending globally and particularly in Mexico, which could delay
 network deployment and reduce demand for the Company's services; the Company's
 ability to attract, hire and retain key personnel; the rate of adoption of
 telecom outsourcing by network carriers and equipment suppliers; the timing,
 rescheduling or cancellation of significant customer contracts and agreements
 including those of Pegaso PCS, or the loss of key customers; lower customer
 satisfaction levels for services performed by the Company.  These factors and
 others are more fully discussed under "Risk Factors" and elsewhere in the
 Company's registration statement on Form S-1, the Company's annual report on
 Form 10-K filed on March 29, 2001 with the Securities and Exchange Commission.
 
     CONTACT:  Media, Glenn Selbo, Vice President, Strategic Marketing,
 +1-858-228-2440, glenn.selbo@wfinet.com, or Investors, Mark Francois,
 Director, Investor Relations, +1-858-228-2450, mark.francois@wfinet.com, both
 of Wireless Facilities, Inc.; or Agency, Beth Walsh of McQuerterGroup,
 +1-858-450-0030, beth@mcquerter.com, for Wireless Facilities, Inc.; or Roberta
 Lopez Negrete, Directora de Comunicacion Estrategica, 525 261 66 38,
 rlopez@pegasopcs.com.mx, or Eduardo Jimenez, Coordinador de Medios,
 525 261 66 34, ejimenez@pegasopcs.com.mx, both of PEGASO PCS
 
 

SOURCE Wireless Facilities, Inc.
    SAN DIEGO, April 19 /PRNewswire/ --
 Wireless Facilities, Inc. (WFI) (Nasdaq: WFII), a global leader in the
 planning, design, deployment and management of wireless telecommunications
 systems, today announced that it has been awarded a two-year contract by
 PEGASO PCS to provide turnkey radio frequency (RF) engineering services to
 expand Mexico's largest digital PCS network.  The contract calls for the
 design and engineering of more than 750 sites as part of PEGASO's phase three
 and phase four network expansion plans, extending coverage in 50 cities
 throughout Mexico.
     The contract will increase the total number of sites designed by WFI for
 PEGASO PCS to 1,600 since the relationship began in 1998.  WFI was also
 selected by PEGASO last August for the design of their phase-two backbone
 transport network encompassing 420 sites.
     "As we continue to expand our network and bring advanced services such as
 mobile Internet to customers throughout Mexico, it is important for us to
 partner with leading service providers like WFI.  WFI's engineering expertise,
 quality and proven track record will allow us to quickly and cost-effectively
 expand our network to meet the ever growing demand for our services," said
 Michael Robinson, Chief Operating Officer of PEGASO PCS.
     "Increasingly, our customers are looking to us for complete turnkey
 network outsourcing solutions to position themselves for profitable
 expansion," said William Mazilly, Senior Vice President and General Manager of
 WFI de Mexico, WFI's wholly owned subsidiary.  "We are confident that we can
 continue to deliver to PEGASO the quality, reliability and time to market
 advantage they have come to expect from WFI."
 
     About PEGASO PCS
     PEGASO is a Mexican telecommunications company composed of Grupo Pegaso,
 Sprint PCS, Leap Wireless International, Citicorp, LAIF, and Nissho Iwai.
 With a planned initial investment of greater than $1.8 billion, Pegaso is
 deploying the first 100 percent digital network in Mexico offering state of
 the art technology in voice and data services.  PEGASO has launched PCS
 service in Mexico, Guadalajara, Monterrey, Tijuana, Ensenada, Reynosa, Nuevo
 Laredo Toluca and Chapala and will offer nation-wide service by the end of
 2001.  Having acquired the necessary licenses to offer mobile and wireless
 local loop services, PEGASO expects to offer top-quality services to a
 significant share of the Mexican market in the coming years.  For more
 information, please visit www.pegasopcs.com.mx
 
     About Wireless Facilities
     A global leader in telecommunications outsourcing, Wireless Facilities,
 Inc. designs, deploys and manages wireless networks for some of the largest
 cellular, PCS and broadband wireless carriers and equipment suppliers
 worldwide.  Specializing in network architecture and dimensioning of mobile
 and high speed wireless data systems, including third generation (3G)
 networks, WFI provides a complete range of network services -- from business
 and market planning to RF engineering, fixed network engineering, IP and data
 engineering, site acquisition and development, installation, optimization and
 maintenance.  Headquartered in San Diego, WFI has performed work in over
 100 countries since the company was founded in late 1994.  The company has
 offices in Dallas, Chicago, Seattle, Reston VA, Montvale NJ, London,
 Gothenburg, Frankfurt, Madrid, Mexico City, Sao Paulo and New Delhi.  News and
 information are available at www.wfinet.com.
     WFI and the WFI Globe logo are registered trademarks of Wireless
 Facilities, Inc.
 
     Notice Regarding Forward Looking Statements
     This news release contains certain forward-looking statements that involve
 risks and uncertainties.  The Company operates in a very dynamic market
 environment, and expectations or assumptions that appear reasonable as of the
 date hereof may not be reasonable at any point in the future.  Words such as
 "anticipates," "expects," "projects," "intends," "plans," "believes," "may,"
 "will," and similar expressions are intended to identify forward-looking
 statements and specifically include references to the Company's belief that
 the Company can deliver turnkey wireless solutions to Pegaso PCS that will
 enable the Company to execute its business plan as well as well position
 Pegaso for profitable expansion.
 
     Such statements are only predictions, and the Company's actual results may
 differ materially from those anticipated.  Factors that may cause such
 differences, include, but are not limited to: slowdowns in telecommunications
 infrastructure spending globally and particularly in Mexico, which could delay
 network deployment and reduce demand for the Company's services; the Company's
 ability to attract, hire and retain key personnel; the rate of adoption of
 telecom outsourcing by network carriers and equipment suppliers; the timing,
 rescheduling or cancellation of significant customer contracts and agreements
 including those of Pegaso PCS, or the loss of key customers; lower customer
 satisfaction levels for services performed by the Company.  These factors and
 others are more fully discussed under "Risk Factors" and elsewhere in the
 Company's registration statement on Form S-1, the Company's annual report on
 Form 10-K filed on March 29, 2001 with the Securities and Exchange Commission.
 
     CONTACT:  Media, Glenn Selbo, Vice President, Strategic Marketing,
 +1-858-228-2440, glenn.selbo@wfinet.com, or Investors, Mark Francois,
 Director, Investor Relations, +1-858-228-2450, mark.francois@wfinet.com, both
 of Wireless Facilities, Inc.; or Agency, Beth Walsh of McQuerterGroup,
 +1-858-450-0030, beth@mcquerter.com, for Wireless Facilities, Inc.; or Roberta
 Lopez Negrete, Directora de Comunicacion Estrategica, 525 261 66 38,
 rlopez@pegasopcs.com.mx, or Eduardo Jimenez, Coordinador de Medios,
 525 261 66 34, ejimenez@pegasopcs.com.mx, both of PEGASO PCS
 
 SOURCE  Wireless Facilities, Inc.