RF Adapter Video Modulator UM 1381-1 TI-99 / 4A Texas Instruments Computer

2x Texas Instruments Model UM1381 Video Modulator RF Adapter **AS-IS/FOR PARTS**

Vintage Texas Instruments Video Modulator UM1381 TI-99/4A

Texas Instruments UM1381 Video Modulator for Vintage TI Home Computer

Vintage Texas Instruments Video Modulator UM1381 TI-99/4A Untested PARTS.

Vintage Texas Instruments Video Modulator UM1381 TI-99/4A Tested

Vintage Texas Instruments UM1381 Video Modulator - Untested

Texas Instruments Video Modulator Model No. UM1381-1 - TI-99/4A