The Model 3025CG is a Plug-and Play internal modem which is easily installed into a PCI slot of a Windows Vista, 98SE, Me, 2000 or XP computer. Performance of the Model 3025CG is enhanced by an on-board Digital Signal Processor (DSP). This model is fully compatible with V.92/V.44 international standards and will also communicate at V.90 and slower speeds. The model 3025CG supports V.44/V.42bis/MNP5 data compression and V.42/MNP2-4 error correction, as well as send/receive fax operations