FCC Satellite Forum March 21, 2005 Mobile Broadband Solutions Robert Hanson Vice President - Regulatory Affairs

2 Overview Maritime Telecommunications Network (MTN) supplies broadband solutions for voice, data, Internet and compressed video for maritime applications as well as rapid-deploy terminals for terrestrial applications. MTN maintains a global network based on TCP/IP technology that provides flexible, cost effective, high-speed satellite solutions and the highest standards of quality

3 Background Founded in 1981 as Crescomm Transmission Services Pioneered mobile VSATs in 1986 –first to offer a stabilized (transmit/receive) VSAT solution for vessels at sea Over 200 stabilized and rapid-deploy VSAT systems in service today Over 50 installations contracted for the next 12 months

4 Highlights Over 20 Years Experience in Satellite Telecommunications Global IP Network –True Seamless Global C-Band Coverage –Regional Ku-Band Coverage for Europe, Middle East, & Americas Complete Turnkey Solutions Including Telephony, Data, Internet, Terrestrial & VPN Network Integration, Value Added Enhanced Services, Billing Solutions and More Extensive Monitoring and Reporting Capabilities Experienced, Full-time Technical and Corporate Staff Engineering and Consulting Services

5 Network Evolution SCPC –Fixed Costs –Fixed Channel Bandwidth Dynamic Bandwidth Allocation –Flexible Bandwidth Allocations –Finite Channel Allocations ShipNet –IP-based, –Shore-to-Ship Burstability –Dedicated Ship-to-Shore Channel DirectNet –IP-based –Bi-directional Burstability –TCP Acceleration

6 VSAT Networks Satellite Network Connectivity – Seamless Global C-Band Space Coverage – Regional Ku-band Coverage Europe, Middle East and Americas Regions Teleport Network Infrastructure –Global Teleport Network Including 5 International Gateways Terrestrial Networks –Resilient and Diversified –Interconnected to Provide a Single Global Network

7 Resilient Terrestrial Network

8 TCP/IP Network Advantages TCP acceleration: enhances throughput by allowing full use of available bandwidth 3-Way Handshake acceleration and DNS caching increase user satisfaction and HTTP performance Network management software offers centralized software upgrades, configuration changes, real-time monitoring, historical reporting and automatic satellite power adjustments Turbo Forward Error Correction increases link reliability Ship-to-Shore Data Rates from 64 Kbps to 5.75 Mbps Shore-to-Ship data rates from 64 Kbps to 11.5 Mbps

9 Stabilized VSAT Systems Both C- & Ku-Band applications –C-Band Systems from 2.4 meter and larger –Ku-Band systems from 1.0 meter and larger MTN provides all equipment, project engineering, logistics, installation, training and spares as required Redundancy and Disaster Recovery options in both C- and Ku-Band

10 Maritime VSAT Systems 3-axis stabilization Pointing accuracy less than 0.2° Withstands harsh maritime conditions –Corrosion –Shock & Vibration –High wind load –Vessel movements

11 Mobile VSAT Systems Self-contained & mobile Always ready for communication Full-motion video while moving Wireless connectivity to external voice, video and data sources

12 Rapid-Deploy VSAT Systems Self-contained Includes power & wireless links Automatic deployment of antenna Acquisition of satellite within 5 min.

13 Network Operations Center Technical Troubleshooting –NOC Technicians provide first- and second-level RF, data and network troubleshooting –Full-time degreed engineers support third-level data and network support Real-Time Monitoring of System Availability –As a value-added feature, MTN gives customers access to Web-Based monitoring tools that provides real-time system status and bandwidth usage reporting Bandwidth Utilization Circuit Availability MTN’s Average Uptime for all sites for Past 12 Months is over 96% Includes circumstances beyond MTN and customer control including physical blockage, local interference and sun outages MTN Is Committed to Providing Unparalleled Customer Support. Our 24 Hour NOC is Always Available to Address Service-Related Issues or Arrange Worldwide Technical Service

14 The MTN Advantage Leader in voice & data services for maritime and rapid-deploy applications Extensive experience & infrastructure Always-on, global, highly-resilient networks Engineering and R&D expertise The Global Satellite Solution Provider