HIRO H50228 V92 56k external USB data fax dial up internet modem is a truly plug and play device. With Windows built in driver, users could simply plug it into any USB 2.0 port and the driver will be automatically installed. It is compatible for use with Windows fax and scan to send and receive fax. It is also suitable for dial up internet connection, compatible with major ISPS including NetZero, AOL, EarthLink, PeoplePC, Verizon, AT&T, etc. It provides dual RJ-11 phone jacks for connecting to an external telephone and/or answering machine. Simply plug in your traditional phone line and get connected.