For Korean customers will have to wait until mid next year for C-motech U-301 USB Modem. And today I have a feature of it to offers you before decide to buy. The C-motech U-301 is a dual-mode USB modem that supports both 3G technology CDMA and 4G technology WiMax 2.0. which offers a maximum download speed of 10 Mbps and download speeds exceeding 4 Mbps from WiMAX and 3.1Mbps download and 1.8Mbps upload speeds of CDMA. It supports Windows 7, Vista and XP.

(Source) Aving