Power Acoustik H8-GR Replacement Headrest with 8.8-Inch Video Monitor (Gray) Compliant Standards - Hayes AT & Extended AT Command Set Data Standards Supported - V.92, V.90, V.34, V.32bis, V.22, V.23, V.21, Bell 103/212A Data Transfer Rate - 56 Kbps V.90, V.92 Fax Transfer Rate - 14.4 Kbps Error Control Protocol - V.42, MNP 2-4