HiRO H50158 V92 56K Internal Low Profile 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 Feature: Receive Phone Call During Active Internet Connection Without Termination Fax Talk Communicator Software: Allow Your PC/Modem To Serve As Your FAX & Voicemail Machine Highly Compatible With Various Operation Systems: From Dated Microsoft Window 98SE To Latest Vista 32/64 Editions Various Linux Operation Systems Chipset: Lucent 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: 14.4kbps Send/Receive, G3 Compatible Software Compatibility: AT Command Set Compatible Error Correction: MNP2-4, V.42 Data Compression: MNP5 & V.42bis DTE To Modem Data Rate Max: 115200 bps Data Interface: PCI Bus 2.1, Low-Profile Format Voice Function: YES, through Fax Talk Line Interface: RJ-11 Modular Jack, Line/Phone System Requirement: Pentium II 266MHz or higher, 1x CD-ROM Drive, 1x Available PCI Slot Supported Operation Systems: Microsoft Window 98SE/2000, Server/XP, XP Professional x64 Edition, Vista 32/64 Edition Linux SuSE 9.1 & 9.2; Mandrake 10.1; RedHat 8 & 9; Fedora 3 & 4 RoHS Compliant