Repro serial RS232 interface for your TRS-80 Model III or 4 computer.  Same as the original Serial which has not been available for purchase new since the 80s.  Comes with a new white cable.

All chips are socketed for easy repair in the future.

This Serial board can be used to upgrade diskless Model III and 4 (26-1061, 26-1062, and 26-1067) with serial interface capability, or it can also be used to replaced a failed or missing Serial board on a disk-based Model III or 4 (Model III 26-1063, 1064, 1065 or Model 4 26-1068 and 26-1069).  

NOTE: This interface cannot be used with, and is not designed for the Model 4 Gate-Array version (26-1068A, 1069A), 4D (26-1070) or 4P (26-1080 and 1080A).

Shipping will be $13.50 worldwide.