The model 4595 provides easy internet access almost anywhere the 4595 supports data rates of up to 72 mbps on downloads and 576 mbps for uploads using a wide range of cellular data communications standards including hsdpa hsupa umts edge tri band frequency support allows the model 4595 to operate nearly anywhere gsm data service can be purchased in the form of a tiny card called a sim the modem is activated by plugging in the sim card from a service provider unlike other m