Motorola Codex FasTalk 2400 II Modem.

Motorola Codex FasTalk 2400 II Modem. Refurbished. This modem is classified as a Type 1A, plug in modem, transmitting and receiving asynchronous data at a rate of 300, 1200 and 2400 bits per second (BPS) in a full duplex mode of operation on the Public Switched Telephone Network. (PSTN).