The Model 4595 provides easy Internet access almost anywhere. The 4595 supports data rates of up to 7.2 Mbps on downloads and 5.76 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 modems, the Model 4595 is not locked to a specific service provider and can use a data SIM from GSM service providers around the world. Some operators let customers get a SIM card for prepaid service and simply buy as much service as is needed. Some service providers also allow customers to sign up for a monthly billing "pay as you go" without a long-term contract commitment. A change to the service provider is accomplished by simply sliding out one provider's SIM and replacing it with another provider's SIM. It takes only seconds and maximizes flexibility in choosing data plans. While the top speed of the Model 4595 is 7.2 Mbps, actual speeds also depend on the speed offered by the service provider in the area the modem is being used. GSM frequencies can vary from country to country. The Model 4595 uses any of three frequencies, which provides broad compatibility with GSM-based mobile data services in countries around the world. A micro-SD slot on the modem accepts a memory card for up to 4 GB (Gigabytes) of memory. A simple slide-in of a micro-SD memory card allows the modem to double as a flash drive to maximize the flexibility of available USB ports. The Model 4595 also comes with a short semi-rigid cable that allows the modem to be used in a hard-to-access USB ports and allows the modem's internal antenna to be positioned for the best reception in a location.
