Check the listing for details. Practical Peripherals 2400 Data Stand-Alone Modem PM2400SA Vintage NOS. Color: Gray, White, Condition: Open box, Made in USA. Listed at 109.86 USD. This listing is for a New Old Stock (NOS) Practical Peripherals 2400 Data Stand-Alone Modem, model PM2400SA. It comes complete in its original box with all accessories, including the modem unit, operating manual, telephone cable, power adapter, and original software/membership kits (Genie, Prodigy). The modem is designed for 2400 bps data communication and features Rockwell Technology, MNP5 compatibility, and Hayes compatibility. It offers full duplex operation and automatic adaptive equalization for reliable data transfer. This vintage modem is ideal for collectors, enthusiasts, or those looking to connect older systems. The unit is backed by a lifetime warranty from the manufacturer, as stated on the box. Please refer to images for exact condition and included items.