The Model 3030 is Zooms lowest-cost 56K modem. It is designed for use in Windows based systems with a minimum of a 266 MHz processor. The Model 3030 is a host-based modem, which uses the Central Processing Unit (CPU) of the computer in which the modem is installed to perform controller & data pump functions. The Model 3030 is fully compatible with all features of the V.92/V.44 international standards & will also communicate at V.90 & slower speeds.