1. W I R E L E S SW I R E L E S S Broad Band Two-way VSAT Marketing Presentation

2. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 2 Introduction n What is Broad Band? For differentiating purposes defined as providing 2 Mbps to the subscriber n What is STM’s Broad Band Product? Addresses the global broad band internet market Four Product configurations (SpaceWeb Online, Dialup, PC, ISP) available today Designed for IP traffic Provides 10/100 Base T user interface Provides satellite return channel (full two-way solution) Based on DVB standard

3. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 3 Broadband Market Development Bandwidth Growth driven by n Globalization of businesses n Corporate Intranets worldwide n Worldwide Deregulation and thus increasing competition n Search for value added services such as Fast Internet Access Multimedia Entertainment Distance Learning n Convergence of data, voice, fixed and mobile networks More and more users require more and more bandwidth

4. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 4 Market size Source: Nua Internet surveys

5. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 5 Target Market and Applications n Broadband Internet Access Power Internet Users Telecommuters SOHO n Corporate Networks LAN internetworking, Intranet, Extranet, VoIP Connection to HQ data warehousing e.g. banks, retail Internet in Hotels or for schools Distance learning, Tele-medicine n ISPs Internet Service providers to set up Point of Presence Direct Access to Subscribers Backhaul and Internet Connection in US or Europe

6. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 6 Advantage of Satellite Access n Satellite is very cost efficient for broad cast and multicast applications Distance learning Video conferencing Software downloads News distribution (e.g. news paper) n Cost efficient for asymmetric connections n Costs distance insensitive n Fast and easy to deploy n Entire network in one hand n Immediate global presence (nationwide and internationally) n Provides trunking and last mile access in one network by- passing bandwidth constraint local loop n On demand variable bit rate

7. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 7 Advantage of Satellite Access over ADSL/Cable n Access Areas outside reach of ADSL n Countries with technical ADSL limitations n Countries with unresponsive PTOs to the market demand n Escape from content regulation n Technically easier to manage n No interconnection issues n Local drop pricing (e.g. UK $8 for a telephone line, Japan: $650)

8. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 8 Network Architecture Satellite Gateway Internet Router IP or ATM Gateway PSTN Router Corporate Network Backbone Network Residential Users SOHO, Small Business, Hotels, Schools LAN RAS ISP POP PSTN

9. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 9 Broadband Products SpaceWeb - Online (SWO) n Features Always online (Flat rate) with TDM/TDMA based system Star topology Outbound up to 48 Mbps Return path up to 192 Kbps Multiple PCs possible (10 BaseT user interface) Bandwidth can be shared between users n Application Single Power user Single office, home office (SOHO), Telecommuter Corporate networks Internet to schools, hotels Tele-medicine

10. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 10 Broadband Products SpaceWeb - Dial-up (SWD) and SpaceWeb - PC (SWP) n Features Broadband access (48 Mbps outbound, up to 14.4 kbps inbound) Parallel Telephone Line Receive Path always on for push applications Transmit upon dial-up (SCPC) LAN - interface for SWD, USB-interface for SWP n Applications Single user with less return channel requirements Single office, home office (SOHO) Telecommuter

11. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 11 Broadband Products SpaceWeb - ISP (SWI) n Features Outbound up to 48 Mbps Return path up to 384 kbps For IP Interconnections Dynamic bandwidth allocation Adjustable Information Rate and Step Size n Applications Large Corporate Networks ISP’s providing POP with Dial-up servers Internet connectivity with overlay telephony or data network

12. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 12 Broadband Applications vs. Products Single User X X Branch/Soho X X Corporate X X Multi-Tenant X ISP X ApplicationsSWPSWDSWOSWI

13. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 13 FeaturesSWPSWDSWOSWI Broadband Features Mesh Voice X X X Video Conferencing X ISDN X Dial-Up X X - - Always Online - - X X LAN - X (100BaseT) X (100BaseT) X (100BaseT) USB Interface X - - - Downlink Rate 8 Mbps (at USB) 1-48 Mpbs 1-48 Mpbs 1-48 Mpbs Return Channel 4.8-14.4 Kbps 4.8-14.4 Kbps 9.6-192 Kbps 9.6-384 Kbps Bandwidth on Demand - - X X

14. W I R E L E S S Bernd Steinebrunner - Version 1.0 November 12, 1999 14 Features and Benefits - Summary n Two-way high-speed VSAT n Available in C- and Ku-band n High capacity (outbound 48 Mbps, inbound up to 384 kbps) n Supports all IP services Fast Internet Data broadcasting, Push services IP Multicasting Video & Audio streaming VPN n Based on DVB Standard n Satellite link enhancement through TCP/IP spoofing n Field proven, low-cost solution for high- and low-end application n Bandwidth efficient