The Dell™ Wireless 5620 Mobile Broadband Mini-Card is Dell’s second mobile broadband card to use both EVDO (Evolution Data Optimized) and HSDPA (High Speed Data Packet Access) technologies in one card. Depending on the service provider the card operates in either EVDO or HSDPA. In addition, whether a SIM card is need or not is also determined by the technology. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.