Acquisition

Spirent PLC
13 September 2000

                                                                              
                                                      771 - 13 September 2000



           SPIRENT STRENGTHENS 3G WIRELESS TESTING CAPABILITIES THROUGH
                          US SOFTWARE ACQUISITION

Spirent plc, the international network technology company, announces that it
has acquired InfoSOFT Technologies, Inc. ('InfoSOFT') of Fort Worth, Texas, a
profitable developer of software for the test, manufacture and deployment of
CDMA mobile communications handsets.  InfoSOFT's customers include major US
wireless service provider Sprint PCS.  The company complements Spirent's own
wireless communications testing capabilities and will strengthen Spirent's
ability to develop new solutions for the fast growing 3G wireless
communications testing market.

InfoSOFT has been acquired from management for a maximum consideration of $4.5
million (£3.2 million) cash.  The acquisition also includes provision for
further performance-related bonuses of up to a maximum $6.0 million (£4.3
million).

Commenting on the acquisition, Nicholas Brookes, Chief Executive of Spirent
plc, said:

'Wireless communications, in particular 3G technology, is one of the key
growth areas in modern networks.  InfoSOFT complements Spirent Communications'
well established and highly regarded wireless testing capabilities and will
give us additional technical resources to provide eagerly awaited 3G test
solutions.'


Enquiries:

Nicholas Brookes, Chief Executive        Spirent plc     [phone]
Eric Hutchinson, Finance Director

Jon Coles/Rupert Young                   Brunswick       [phone]

Background note:

Spirent plc is an international network technology company providing state-of-
the-art solutions with a focus on high growth, high margin activities. It is a
world leader in advanced telecommunications testing systems and network
products. www.spirent.com

Spirent is quoted on the London Stock Exchange, ticker SPT, and is a FTSE 100
company.  It is classified in the Information Technology Hardware sector.  The
Company operates a Level 1 American Depository Receipt programme (ticker:
SPNUY; CUSIP number: 84856M100).  For information, contact Brian Heston, The
Bank of New York, American Depositary Receipts, 101 Barclay St, 22 West, New
York, NY 10286  Phone: [phone], Fax:  [phone], email:
[e-mail]  web site: www.adrbny.com

Exchange rate used:  $1.40 : £1.00