THIS IS NOT A VGA ADAPTER. IT IS FOR SENDING RS-232 SERIAL COMMANDS. - Premium Taiwanese chipset. - Programmable baud rate from 75 bps to 6,000,000 bps - Configurable 256-byte outbound buffer and 256-bite inbound buffer or 128-byte outbound buffer and 384-byte inbound buffer - Supports remote wake-up from MODEM input signals - US-based seller. 12-month warranty and support.