Richard N. (Dick) Kaufman

Curacao, Netherlands Antilles

CEO of International PTT and WISP

I agree with the writer about inadequate data speeds with WiMAX for the Triple play, however it is my belief that the success for WiMAX is with new operators using the technology for a mobile solution, and not necessarily for the additional delivery of low speed data.

Keys to success for new ISP operators will be in delivering the mobile solution using the promised low cost infrastructure, 5.8 GHz ISM spectrum, and low priced VoIP minutes to subscribers.

One concern that I have is if the technology will be able to work properly in the 5.8 GHz spectrum. I have assumed that the technology has considered the problems inherent in an unlicensed spectrum. Operators like my self are not in the US and 5.8 GHz is licensed spectrum here.

I believe that existing cellular companies will have a hard time competing with Mobile WiMAX because they must keep their usage prices high enough to service their capital debt and higher cost spectrum. This high debt came from paying large amounts for licenses and capital equipment.