1. Customs and Border Protection Communications Written by: Bill Brown, President/CEO Metric Systems Corporation 1315 Hot Spring Way, Suite 106 Vista California 92081 bbrown@metricsystems.com Office: 760-560-0348 http://www.metricsystems.com bbrown@metricsystems.com Copyright 2010, Metric Systems Corporation. All rights reserved.

2. Yuma & Tucson Sectors Stats - 100,000 Mi 2 Operating Area - Over 10,000 Users - Over 20,000 P25 Handhelds - Over 100 + Safari Sites Operating Theater Overview Copyright 2010, Metric Systems Corporation. All rights reserved.

3. Primary network system objectives 1. Extend each repeater’s coverage footprint and increase infrastructure speed to support multiple LMR and support devices per site. 2. Provide measurable annual system reliability level of 99.999% - by utilizing protected links and alternative mesh routing techniques. 3.Provide central network concentration point for monitoring, control and administration of site telemetry, security and SCADA systems. 4. Secure all LMR and IP traffic and automatically detect and alert Network Control of intrusion attempts. 5. Provide field tech personal with tools to remotely access, diagnose, repair or mitigate the issues without being on site. Copyright 2010, Metric Systems Corporation. All rights reserved.

4. Threats CBP Network LMR Jamming Foreign SIGINT Backbone Jamming Network Intrusion Reliability Operational Security Errors Physical Security Environment

5. Motorola Quantars non- Ethernet P25 radios SAFARI Commander Licensed Full Duplex Wireless Circuit Typical SAFARI End-to-End Network Configuration From Remote Site to Dispatch and Net Control Ethernet AstroTac 9000 DIU SAFARI Monitor IP Network Monitor CBP Net Control Tait and E.F. Johnson Network P25 Radios Ethernet Interfaces Remote Repeater Site Remote Gateway Site Copyright 2010, Metric Systems Corporation. All rights reserved.

6. CBP Safari Network Topology The image below shows a typical redundant infrastructure segment. Links 1, 2, 3, and 4 provide alternate routes in the event nodes, or links are lost. L1 L2 L4 L3 Copyright 2010, Metric Systems Corporation. All rights reserved.