Features:1) 56K internal fax modem 2) intel82537 chipset 3) Data modulation rate: a) V. 34bis, V. 34+, ITU-T V. 34 b) V. 32bis, V. 32, V. 22bis, V. 22 and Bell 212A c) ITU-T V. 23, V. 21 and Bell 103 4) Transmission: 56000, 33600, 31200, 28800, 24000, 14400, 12000, 9600, 7200, 4800, 1200, 1200/75 and 300bps 5) Voice mode: remote / local record and play back voice 6) Computer interface: PCI bus and plug-and-play 7) Data compression: ITU-T V. 42bis and MNP 5 8) Error correction: ITU-T V. 42 and MNP 2, 3, and 4 9) Advanced power management support Specifications: 1) ITU-T group 3 compatible fax machines / modems 2) ITU-T V. 17, V. 29, V. 27 TER V. 21 channel 2300 3) 14400, 9600, 7200, 4800, 2400bps 4) Class 1 fax interface 5) Operation: full duplex 6) Commands: extended AT command set 7) Test modes: analog, digital and remote digital loop back with self-test 8) Compatibility: Pentium 200 (over) with MMX, CPU with PCI bus 9) Auto-dialing: touch-tone and pulse dialing, auto dial and auto answer 10) Fully compliant with V. 90, V. 34 bis, V. 32, V. 32 and V. 22 bis specifications11) Compatible with Windows 95 / 98 / 2000 / XP / ME / NT4.0 operating systems and most PCI bus compatible system 12) oftware upgradeable 13) Supports variable sample rates via the SLOTREQ protocol and valid tag bits 14) Supports modem wake-up on ring from D3 cold