1. Copyright 2004 WiMAX Forum “WiMAX Forum™” and "WiMAX Forum CERTIFIED™“ are registered trademarks of the WiMAX Forum™. * All trademarks are the properties of their respective owners. WiMAX Forum™ Dr. Mo Shakouri Board Member & Vice President Marketing mohammad.shakouri@alvarion.com WCA 16 Nov, 2004

2. Copyright 2004 WiMAX Forum “WiMAX Forum™” and "WiMAX Forum CERTIFIED™“ are registered trademarks of the WiMAX Forum™. * All trademarks are the properties of their respective owners. WiMAX Forum Vision IEEE802.16 2004 and TGe Air Interface standard Alliance Portable/MobileFixed/Nomadic Create a global mass market for deployment of broadband wireless networks that will enable portable and mobile users to maintain high-speed connectivity. To lead the “access anywhere” revolution supporting delivery of data, voice and video applications at home, in the office and on the go.

3. Copyright 2004 WiMAX Forum “WiMAX Forum™” and "WiMAX Forum CERTIFIED™“ are registered trademarks of the WiMAX Forum™. * All trademarks are the properties of their respective owners. Reality Check Fixed WiMAX Targets (mid 2005+) –Developing countries without DSL –Universal service in developed countries (rural broadband) Mobile WiMAX Targets (2007+) –Mobile 4G –Broadband mobile data (non mobile operator) Many claim to have WiMAX products today –“I have low-cost CPE, I am WiMAX” –“I am OFDM, I am WiMAX” –“I support QoS, I am WiMAX” –“I’m planning for future development of WiMAX products, I am WiMAX”

4. Copyright 2004 WiMAX Forum “WiMAX Forum™” and "WiMAX Forum CERTIFIED™“ are registered trademarks of the WiMAX Forum™. * All trademarks are the properties of their respective owners. Dominant national operator with access & backbone infrastructure Start-up operator Regional Player Dense mobile network operator Vertical applications WiMAX Service Provider Types Incumbent Fixed Operators (ILEC) Competitive Local Loop Operators (or CLEC) Wireless ISPs (WISPs) Mobile Operators 1 2 3 4 Enterprise / Public Safety 5

5. Copyright 2004 WiMAX Forum “WiMAX Forum™” and "WiMAX Forum CERTIFIED™“ are registered trademarks of the WiMAX Forum™. * All trademarks are the properties of their respective owners. Potential WiMAX Channel Plans ProfileBandChannel BW* DuplexLicense 700 1 Upper 700 MHz Band5 MHzTDDYes 2.3T1 1 WCS Band5 MHzTDDYes 2.5T1MDS (BRS-EBS Band) 5 MHzTDDYes 3.5T13.5 GHz Band7 MHzTDDYes 3.5F13.5 GHz Band3.5 MHzFDDYes 5.8T15.8 GHz ISM/UNII10 MHzTDDNo 1 future potential WiMAX bands & channels