1992 Practical Peripherals External Dial-up Modem PM2400FX96SA 2400 bps /w fax. Includes the modem, original power supply, and pictured cable and adapter.

• 0-300/1200/2400 bps operation.
• Compatible with Hayes 2400 Smartmodem commands.
• Full Duplex
• Fax is 9600 bps.

Ask if you need any other specifics. Thanks for looking!