SAN FRANCISCO (WiMAX Day). Samsung Electronics is hoping to energize uptake of WiBro in Korea with its debut of four new data networking terminals for the WiMAX network in Seoul.  The high-end SPH-P9200 (US$1,500) with a fold-out keyboard and 30G bytes of embedded storage is a 5-inch computer that runs Windows XP and combines WiMAX, WiFi and HSDPA (High-Speed Downlink Packet Access) wireless networking. The SPH-M8200 (US$750).is a PDA supporting WiMAX and EVDO (Evolution Data only) wireless networking. The Windows Mobile 5 device has a 2.8-inch touchscreen display and includes mobile digital TV and a camera. The SWT-H200K and the SPH-H1300. (US$90 and US$180, respectively) are two USB WiMAX data adapters for laptop computers: Both run Windows XP and Vista.