View this article at: http://www.electronista.com/articles/07/11/06/sony.ericsson.edge.hsdpa/ Tuesday, Nov 06, 2007 3:35pm Sony Ericsson preps EDGE/HS... Cellphone maker Sony Ericsson has announced a new USB notebook modem, the MD300 (not pictured). The highlight its its tri-band UMTS/HSDPA support, which supports download speeds up to 3.6Mbps. As a fallback, the modem can also operate on quad-band EDGE or GPRS networks. Both Macs and PCs are supported, but the latter can take advantage of the 300's 128MB of memory, which includes software and drivers that automatically configure themselves when the modem is connected; Windows 2000, XP or Vista is required. The 300 should be available in black and metallic silver come Q1 2008.