TETRA Licence Agreements

SOFTWARE RADIO TECHNOLOGY PLC                         

                           ("SRT" or the "Company")                            

                      Two TETRA Licence Agreements Signed                      

SRT is pleased to announce that it has signed two licence agreements in respect
of its retained TETRA technology portfolio.

SRT is actively marketing its licences for its portfolio TETRA technology on
the basis of an upfront cash fee plus ongoing royalties. Upon granting of the
licence, SRT has no further liabilities or support obligations.

Simon Tucker, Group Managing Director said, "We are one of the few companies in
the world to own a complete, approved and proven TETRA handset solution. The
TETRA market is growing strongly, prices are high and competition is limited
due to the high technological barriers to entry. With this background, we
believe that our technology, which enables companies to enter the market
quickly with a low level of risk, will prove to be an attractive proposition.
This would generate an additional income stream for SRT without any significant
associated cost."

                                    -ends-                                     

Enquiries:                                                                   
                                                                             
Software Radio Technology plc                              [phone]
                                                                             
Simon Tucker                                     [e-mail]
                                                                             
Group Managing Director                                                      
                                                                             
Hanson Westhouse Limited                                 [phone]
                                                                             
Tim Feather                                                                  
                                                                             
Matthew Johnson                                                              

About SRT:

Software Radio Technology plc, develops advanced radio communications
technologies which are used to create enabling modules and OEM products. SRT
Marine Technology Limited focuses on VHF and AIS technologies for use in
navigation and homeland security identification and tracking applications. SRT
Marine Technology provides its solutions in a variety of module and OEM product
formats.