MultiTech MT9234ZPX-PCIE V.92 Voice/Data/Fax World Modem 56Kbps PCI Express Data: V.92, V.90, enhanced V.34 & below Error Correction: V.42, ECM Data Compression: V.44, V.42bis, MNPe Class 5 Fax: V.34, Class 2.1 & Class 1.0, V.17, Group 3, C Type: Dial-Up Modem Interface: PCI Express Cable Interface: 2 x RJ11 ports Standards: Data: V.92, V.90, enhanced V.34 & below Error Correction: V.42, ECM Data Compression: V.44, V.42bis, MNPe Class 5 Fax: V.34, Class 2.1 & Class 1.0, V.17, Group 3, Class 1 & Class 2, Error Correction Mode (ECM) Voice: AT+V/TAM voice command set (voice models) Video: V.80 Max Fax Speed: 33.6K/14.4K bps Package Contents: N91042 Parts: 1 year limited Labor: 1 year limited