Wireless Internet Evolution for Alltel’s Midwest Region

Pete BorchertSr Market Analyst clearWave

Technologies

Mobile• AMPS• CSD-Circuit Switched

Data• CDMA2000/1xrtt• 1xEVDO• Long Term Evolution

Fixed (clearWave)• FHSS=Frequency

Hopping Spread Spectrum

• OFDM=Orthogonal Frequency Division Multiplexing

• Wi-Max

Frequencies

Licensed• 850 MHz• 1.9 GHz

*700MHz

Unlicensed• 2.4 GHz• 5.8 GHz

*3.65 GHz

AMPS-Advanced Mobile Phone System

• 1st Generation Wireless• Analog• 2.4 Kbps• 850 MHz• 1987 First Tower New Ulm Minnesota as

Cellular 2000

Circuit Switched Data

• 2nd Generation Wireless• 9.6 Kbps• 850 MHz & 1.9 GHz• Time Division Multiple Access Based

Technology• 1998 Started Overlay of Technology

CDMA/1xrtt

• 2.5 Generation Wireless• 850 MHz & 1.9 GHz• Code Division Multiple Access• 30-60 Kbps• Overlay Started 2002

1xEVDO

• 3rd Generation Wireless• 850MHz & 1.9 GHz• 500 Kbps Down Load 128 Kbps Upload

(customer experience)• Evolution Data Optimized• Overlay Started 2005

Long Term Evolution

• 4th Generation Wireless• 700 MHz Frequencies • 300 Mbps UL &75 Mbps DL Per• The specifications of the standard are

assumed to complete at the end of 2008

• LTE is assumed to dominate world’s mobile infrastructure markets after 2011

Fixed Wireless

Small Towns Now Have BIG Internet Small Towns Now Have BIG Internet ServiceService

Midwest Wireless is deploying broadband Internet service in several rural communities with the help of a grant from the Minnesota Department of Trade and Economic Development (DTED).

Customer Premise Equipment /2.4 GHz FHSS

Orthogonal Frequency Division Multiplexing 5.8 GHz

Technology enables the link between the Access Unit (the tower) and Customer Premise Equipment of speeds 20 times faster then the FHSS 2.4 GHz existing technology.

CPE to AU

The Numbers

• Began in Spring of 2001– 142 customers our first year

• Currently 168 Sites– Grain Elevators– Water Towers– Cell Site Co-location

• Serving members of 359 Communities

• ~12,000 Customers and Growing

Coverage Map

Ball Park Wi-Fi Hotspot

Got to have High Speed Internet!

Windmill with clearWave Antenna

Implement Dealerships

Rural Weather Information System/Mn Dot

Internet access in remote locations!

Other Technologies Worth Mentioning

WIMax• 802.16• Rev d = Fixed• Rev E = Mobile• Up to 70 Mb/sec symmetric broadband speed

802.11n• user throughput (TCP/IP) of 100 Mbps• expected to be finalized in November 2009

Wireless Strategic Objective

• To supply access in all environments of Connectivity to the Consumers so they can utilize Communication, Information and Applications.

Thank you.

• Any Questions?