1. Enabling Asset Security and Management NWO.0707.01P Page 1 Network Overview July 2007

2. Enabling Asset Security and Management NWO.0707.01P Page 2 The SkyWave Network Inmarsat D+ Satellites Land Earth Station (LES) GPS Satellites Versa Gateway SP Server2 Internet GSM/GPRS Network SkyWave Terminals Internet SP Server1

3. Enabling Asset Security and Management NWO.0707.01P Page 3 SkyWave Network Overview  Cost-effective, dependable satellite data communications  Integrated satellite and cellular communications  Redundant infrastructure for High Availability  Secure connectivity to Solution Providers  Over 10 years of proven dependable operation SkyWave’s network enables mission-critical communications for remote applications

4. Enabling Asset Security and Management NWO.0707.01P Page 4 SkyWave D+ Satellite Communication  Operates on Inmarsat satellites  Global application coverage between +/- 75° latitude  99.998% availability geosynchronous network  Proven, dependable global satellite communications  L-band operation  Reliable, not impacted by weather  Ideal for use in demanding environments  Coordinated around the world  Does not conflict with other networks or emergency services  Data only network  No contention for resources with other services (no ‘busy’ signal)  Consistently high quality of service

5. Enabling Asset Security and Management NWO.0707.01P Page 5 SkyWave D+ Network Operation  SkyWave operates service on 5 global regions  Mobile units automatically roam, no additional fees  Predictable latency (~ 1 minute)  Near real-time monitoring and control  Ideal for remote or fixed industrial applications  Bi-directional communications  Enables control of remote devices and processes  Ensures robust and cost-effective operation (remote reconfiguration or turn on/off)

6. Enabling Asset Security and Management NWO.0707.01P Page 6 SkyWave D+ Network Coverage

7. Enabling Asset Security and Management NWO.0707.01P Page 7 SkyWave D+/GPRS Integration  GPRS is ideal for low-cost, high bandwidth applications when in cellular range  SkyWave D+ improves GPRS-based applications  Reliable and low cost ‘back-up’ link for GPRS  Offers a low cost alternative to GPRS roaming  SkyWave’s technology helps you develop reliable, low cost solutions quickly  Versa multi-protocol gateway for D+/GPRS  SureLinx 8100 D+/GPRS integrated wireless controller

8. Enabling Asset Security and Management NWO.0707.01P Page 8 SkyWave D+/GPRS Coverage  GSM coverage indicated by orange shading  GPRS coverage is typically less than GSM  D+ satellite ‘back-up’ increases reliability & reduces risk for GPRS based applications (Source: GSM World, Inmarsat)

9. Enabling Asset Security and Management NWO.0707.01P Page 9 Versa Gateway Values  Highly reliable and secure  Fully redundant, housed in secure data centre  Reliable high up time to ensure high service quality  SSL encryption between Versa and SP server  Ensures secure connectivity anywhere using the Internet  State-of-the-art technology for responsiveness & capacity  Future proof your application  Easy to use  Web-based administration  Secure access from anywhere in the Internet  Consolidates D+ and GPRS traffic  Simplifies application development and maintenance  Supports multiple SP servers (control stations)  Enables end-to-end robust architectures for high quality service delivery to your customers