The modem supports ITU-T V.90/K56flex, V.34 and V.32bis data modulations and is designed to operate with dial-up telephone lines in the U.S. and worldwide. PC Card and parallel host interface models also support analog cellular direct connect and GSM direct connect. Low profile, small TQFP packages and low voltage operation with low power consumption make this device set ideal for laptop, notebook, and palmtop applications using the parallel host or serial DTE interface with the MCU, or the PC Card interface with the MCUP.