Annual Member Meeting Wireless/ICS Joint Member Meeting February 6, 2005 Tempe, Arizona

Town of Blacksburg, VA Wireless Data Infrastructure Needs, Citizens Telephone Cooperative and Flarion Overview

Town of Blacksburg Population 41,000 people Internationally diverse, world-class research university Four distinct seasons, rural character Pedestrian oriented town Highly educated individuals

Blacksburg Employment Centers Service Retail Commercial Industry Corporate Research Center Technology based companies High-tech, “clean” industries Three commercial centers

Town of Blacksburg Blacksburg Electronic Village: the nation’s first wired community… …now desire to create a “wireless” community!

Southwest Virginia Broadband Market “Digital divide:” Urban and rural Most connected and poorly served Lack of broadband options available Public-private partnership to improve service and foster continued advancement RFP Currently Under Review

RFP: Wireless Data Infrastructure Strategic “partnerships” Service arrangements Exchange or sale of assets Franchises, joint ventures Assets include water tanks, other structures Complement the town’s strengths Long-term relationship Improve infrastructure of the region

Requirements Develop wireless infrastructure and offer services Businesses Residents Educational Institutions Local Government Police, Fire and Rescue

What is Needed for Public Safety Requirements? Protect against interference Assign priority status Support faster file transfer (VoIP, video, multimedia, maps, GPS) Eliminate delay for effective file transfer Provide at low-cost

Market Trials/Deployments Cellular One of Amarillo Initial deployment 100 square miles 1.9 Ghz band Aloha Partners Mid-2005 Top 100 Market Trial 700 Mhz band Improved in-building signal quality Government of the District of Columbia, Office of the Chief Technology Officer Nation’s first high-speed wireless public safety network using 700 MHz band

Market Trials/Deployments Nextel Broadband Raleigh/Durham/Chapel Hill 1300 square mile area, 150 cell sites Serves 3800 users Citizens Telephone Cooperative Plans initial 700 MHz band deployment Blacksburg, Montgomery County, Va Tech Mid-2005: Pending FCC authorization

Flarion Technologies Broadband voice and data LAN-like performance Enterprise-class security Cellular environment The speed of broadband, the mobility of cellular, at the price of cable.

Affordable IP Mobile Broadband Unique benefits for Public Safety, Government, Education, Business and Residential users Supports needed IP applications including VoiP, Video and VPNs

Low Latency It’s not just about data rate… 14 kbps Rate Delay 1 second …it’s about packet delay 144 kbps 250 msec 3 Mbps 50 msec WAP, Cellular- Specific Apps , File Transfer Web Browsing, mCommerce Enterprise/VPN Multimedia Video-conferencing Multi-user Games, VoIP, TCP

End User Wireless Equipment Flarion wireless PCMCIA card, Compact- Flash Card or desktop wireless modem Wi-Fi card for access to WLAN Multi-mode devices may become available later… …Support combinations of Flarion FLASH OFDM, Wi-Fi, GSM, PCS and VoIP

Public Safety and Security Network and Applications Mobile Unit Access Modems Mobile Devices Flarion Mobile WAN Third-party Applications Flarion RadioRouter Command Ct Dispatch Mobile Unit: Identification Mobile Unit: Surveillance IP Cameras: Signaling & Surveillance Mobile Unit: Vehicle Location Wireless Call Box

Class of Service FLASH OFDM can support Class of Service Differentiate Public Safety/Emergency Services Each airlink uniquely encrypted 16 priority levels Priority levels assigned by data type and user source Low latency supports VoIP and other TCP/IP applications

Key features of Flarion System Broadband and Interactive - Downlink peak data rate 3.2 Mbps (Average Megabits per second) - Uplink peak data rate 900 Kbps (Average Kilobits per second) - Packet latency as low as 50 milliseconds

Key Features (cont.) Always-On - Seamless wide area coverage - Vehicular mobility - IP-based mobility IP-based - No changes to IP network, host device, applications or content - Leverage IP infrastructure

Flarion Product Portfolio * Third Party Device Terminals Chipsets / Licenses EmbeddedDevice* Network RadioRouter® Base Station BOM & Design FLR 2500 Mobile Broadband Chipset FLR 500A ASIC FLR 200D ASIC FlashView™ Element Manager (OSS/BSS) Note: Devices not depicted to scale For planning and informational purposes only. Not intended to modify or supplement any agreements or warranties. Wireless Network Card DesktopModemCompactFlashCard Phone* FDK 2500 Design & Reference Kit

Cell Capacity Up to 3 sectors per cell One carrier per sector supporting 3Mbps each Total of 9 Mbps full-duplex, per cell Data “burst” speeds of about 3 Mbps down and 1 Mbps up Average latency less than 50 milliseconds

Cell Capacity Supports about 64 simultaneous VoIP calls per sector Supports up to 1000 connected data users per sector Assumes they are not all sending data at once...

“The Business Case” Licensed Cellular Spectrum Flarion works in cellular spectrum, 400MHz to 3.6GHz Working solutions: 700MHz, 800, 1.9GHz, 2.1 and 2.5GHz Uses 1.25MHz channels, FDD Network cost Cost per Pop of $5-7 (nationwide) for RadioRouters and edge gear, using existing cell sites and backhaul. Mobile Broadband Services Broadband IP services + VoiP QoS and Service Level Agreements Multicast support for video, gaming and music entertainment DSL pricing

Whitepaper

Contacts John Nichols Virginia Tech Information Technology Manager Richard Hach Virginia Tech Associate Director, Network Administration