The CMU300 supports both WiMAX and CDMA2000 EV-DO Rev.A, the CMU300 accommodates a maximum download speed of 28Mbps and a maximum upload speed of 5Mbps from WiMAX mode, and 3.1Mbps download speed and 1.8Mbps upload speed from CDMA2000 EV-DO Rev.A.
Source: Grace Won ( www.aving.net)