HiRO H50006 V92 56K Internal PCI Data Fax Voice Dial Up Internet Modem Windows 10 8.1 8 7 Vista XP 32-bit 64-bit Latest V.92 Standard Protocol: Faster connection up to 56 Kbps Less time to establish a connection Can answer phone call during active connection Modem-On-Hold: Receive phone call during active internet connection without termination Fax Talk Communicator Software: Allows your PC/modem to serve as your fax &amp; voicemail machine Chipset: AGERE Modem Protocol: ITU-T V.92/K56Flex, ITU-T V.34bis, V.34, V.32bis, V.32, V.22bis, V.22, V.21, V.23 Bell 212A/103, V.80 Fax Compatibility: 14.4k bps Send/Receive, G3 Compatible Error Correction: MNP2-4, V.42 Data Compression: MNP5 &amp; V.42bis DTE To Modem Data Rate Max: 115200 bps Data Interface: PCI Bus 2.1 Voice Function: Yes Line Interface: RJ-11 Modular jack, Line/Phone 3 System requirements: Pentium II 266MHz or higher, 1x CDROM drive, 1x available PCI slot, Microsoft Windows 98SE/ME/NT 4.0/2000/XP RoHS Compliant