Detailed Product Description Specifications:1) Chips: Motorola, Smartlink1900, HSP688, Intel 5372) Supports plug and play (PNP) 3) Communication protocol: ITU-T V.92 V.904) Fax protocol: V.17, V.29, V.27 and V.215) Channel 2 fax protocol6) Data correct: V.42 LAPM and MNP2-47) Data compression: V.42 bis and MNP58) Available DTE baud rate up at 115, 200bps9) Command system: EIA / TIA 578 class 1