If the rx-44 had WiMAX, wouldn't it have a WiMAX mac address listed on the fcc label? Assuming it doesn't that means: 1. Nokia will be releasing two ( or more ) tablets pretty soon, or 2. WiMAX will be an add-on device such as a usb or sdio card. To learn more technical details about WiMAX, check the link below. Evidence that WiMAX uses a mac address is on page 27. Definition of SS on page 10. http://www.ieee802.org/16/docs/01/80216-01_58r1.pdf