AIS Order

SOFTWARE RADIO TECHNOLOGY PLC                         

        Chinese order for US$0.5m received for AIS Class B Transponders        

The Directors of Software Radio Technology plc ("SRT" or the "Company") are
pleased to announce that SRT Marine Technology Limited ("SRT Marine") has
received an order for over US$0.5m from Chinese Company Tianjin Broadcasting
and Communications Co. Ltd. ("TCB") for the purchase of 2,500 Class B AIS
Transponders.

TCB are a major supplier of telecommunications equipment into the professional
and commercial markets within China. TCB have built a significant capability in
AIS and have a number of significant opportunities within the Chinese market
which has more than 200,000 vessels with a potential requirement for AIS
technology.

The Chinese authorities have already rolled out a complete AIS network along
their coast line and are now looking to install a similar network on their
inland waterways.

Neil Peniket, Managing Director of SRT Marine, said, "TCB are a very important
partner for us in AIS. We expect that their presence and capability in the
Chinese market will yield significant business for us both given the size of
the opportunity."

Mr. Ma Yan, Deputy General Manager of TCB said, "SRT's world leading technology
in terms of cost and performance provides us with the best possible product to
capture the market in China."

Enquiries:                                                                     
                                                                               
Software Radio Technology plc                                      01761 409500
                                                                               
Simon Tucker                                                                   
                                                                               
Group Managing Director                                                        
                                                                               
Hanson Westhouse Limited                                          0113 246 2610
                                                                               
Tim Feather                                                                    
                                                                               
CityRoad Communications                                            07947 186694
                                                                               
Paul Quade                                                                     

About SRT:

Founded in 1987 and quoted on AIM in 2005, SRT focuses on the development of
turnkey technology product solutions for homeland security applications. SRT's
technologies are used by manufacturers to fast track and de-risk the
development of their own products. SRT has focused on the areas of professional
voice and data radio communications such as TETRA and maritime identification
and tracking systems, such as AIS: both of which are global standards. The
Company has a worldwide customer base with a business model based on customers
paying royalties on each product manufactured.

About TCB

Tianjin 712 Communication and Broadcasting Co. Ltd (TCB), founded in 1936, is
one of China's first large-scale, electronics enterprises and for more than
seventy years TCB has been developing and producing civil communications
equipment, audio and video products, and servicing its home and international
customer base.