Available in modular and standalone configurations, these USB hardware modems process data using their own hardware and do not utilize any processing power of the host computer. The modems are CDC-compliant and are supported by Microsoft CDC modem drivers and Linux CDC-ACM drivers. They work with Linux, Windows, and Mac operating systems. The standalone V92HU-E modem measures just 1.4 x 2.5 x 1.0 in. enclosed with USB interface and RJ-11 phone jack. The modular V92HU measures just 1.0 x 1.0 x 0.25 in. and has no on-board jacks, permitting custom jack placement.