Digitalbridge Communications

DigitalBridge Communications Next-generation broadband for South Carolina October 17, 2007 1 July 20, 2007

DBC confidential. Duplication strictly

DBC summary

• Launched WiMAX in small towns during 2007, attaining 7% penetration in 4 months

• Acquired 20,000 existing subscribers and 150 million MHz-PoPs of WiMAX spectrum, with 135 million MHz-PoPs pending

2 July 20, 2007

DBC confidential. Duplication strictly

Why WiMAX will succeed in underserved markets • Capital cost per home passed is $50-$75 vs. $800-$1,200

• WiMAX network is built only where sufficient density exists base station-by-base station

• Service differentiates on simplicity of install/activation and portability

• All-IP network permits profitable additions to ARPU 3 July 20, 2007

DBC confidential. Duplication strictly

WiMAX puts DBC on the path toward personal broadband In-home self-install CPE

Today

PC card

Q1 2008

Embedded WiMAX chips

Q4 2008

Mobile devices

2009

4 July 20, 2007

DBC confidential. Duplication strictly

DBC differentiates itself at three points in the broadband service delivery chain

Small Business

MDUs Schools NOC

Visitor-based network

Fiber or Wireless Internet Backhaul

Single Family Homes

Military Housing

First Mile Flexible, low-cost back office

Middle Mile Low-cost, high-capacity backhaul

• Outsource/integrate: • Excess fiber capacity ‐ Arise (customer care) • Municipally-supported ‐ Aria (billing) transport networks ‐ Alvarion (network • Utility-owned fiber networks • Educational networks management) • Outsource overhead • Aggregated content • Scalable – invest as you grow July 20, 2007 DBC confidential. Duplication strictly

Last Mile New WiMAX technology to reach end customer • Underserved/exclusive markets • Self-provisioned, fast install • Portable  personal broadband

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DBC has built a low-cost, scalable, carriergrade back office Subscriber Performance Optimization Tool

Retail Sales/Events Pre-qualified Addresses

Aria SF.com SF.com Online/email MIS and Self-Care Trouble-Ticketing Knowledgebase campaigns Data warehousing

Wholesale Partners CPE Provisioning Requests

Internet Online Order Entry Customer Self-Care Bill Payment Bill Presentment Inventory Management Leads Management Marketing Campaign Tracking Trouble Ticketing Knowledgebase Corporate E-mail/Messaging Scheduling/Dispatch Sharepoint

Scheduling & Dispatch

Equinix AAA Services P

812 ort 1

Auth

ct

SM il & ma rts E- Ale

Inventory Mgmt

rim bs P

ary

NERA Citylink II HWIC Switch

Scanned CPE Data

Idaho Falls Warehouse

DBC NOC

50M

Cisco 2851

UPS QuantumView

Shipping/ Fulfillment

S

MP SN

Network Management

Solarwinds Solarwinds Orion Orion Backup NMS server on stand-by

Ac 1813

o st Mb t 30 terne In

Cisco Cisco Secure ACS Secure ACS AAA/RADIUS AAA/RADIUS

SQL Server 2005

Port

DigitalBridgeCommunications.com

NERA Citylink II 36M

bs B

acku

p

Redline AN-50

Redline AN-50

Tier 2 Tier 2 Tier 2 IP Video Conf Support Support Support

Cisco 2821 Cisco 3560 Cisco 3560

7941 VoIP Phones

Field Technician

Ball State/ AfterImage GIS Propagation Analysis

TNI Order Mgmt

Bill Presentment

Acxiom Address Data

TNI Order Knowledgebase Home-based CSRs Mgmt

Aria Billing & Trouble Customer Care Ticketing

Public Switched Telephone Network (PSTN)

Base Station/FAP

Call Center And Inbound/ Outbound Sales

SI CPE Visitor-based Wi-Fi Hotspot

Cisco 2851

Wi-Fi distribution WiMax backhaul

Internet Cisco 500-24TT Switch w/ DHCP

1U 1U 1U

July 20, 2007

Outdoor Pro CPE -48v Power Supply

Wi2

8-port power controller UPS

Diesel Generator

DBC confidential. Duplication strictly

6

DBC’s primary markets are smaller, underserved towns

•Target markets include 1,300 towns (population 20,000-150,000) with 27 million people •Key “reference” markets will be deployed this fall:

Consumer •Homes •College students/staff •Visitors •Military families

Business •Small business •Carriers/wholesale

Government/ Homeland Security •Muni WiMAX •First responder (Missoula)

•Disaster recovery ‐ Redundant links ‐ Work-from-home

7 July 20, 2007

DBC confidential. Duplication strictly

DBC welcomes the opportunity to partner with South Carolina to deploy next-generation broadband

• Rapid deployment to under-served parts of South Carolina

• Affordable pricing of broadband voice and data services

• Fair-market lease rates for spectrum 8 July 20, 2007

DBC confidential. Duplication strictly

DBC is well positioned to help bring nextgeneration broadband services to South Carolina Small Business

MDUs Schools NOC

Visitor-based network

Fiber or Wireless Internet Backhaul

Single Family Homes

Military Housing

First Mile

• Capital-efficient, pay-asyou-grow • Flexible, non-legacy systems

July 20, 2007

Middle Mile

• Capacity additions on a variable basis

DBC confidential. Duplication strictly

Last Mile

• Targeted underserved markets • Opportunistic mix of owned, leased, and “called” spectrum • Differentiated, easy, portable service

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