ELPRO 905U-1 Wireless I/O Module USED

ELPRO 105S-1 Serial Telemetry Module USED

Mitsubishi Electric QJ71C24N Serial Communication Module USIP

Allen-Bradley 2080-SERIALISOL Micrologix serial communication module

Mitsubishi Electric QJ71C24N Serial Communication Module FNFP

Allen Bradley 1738-SSIM23, Series A, Interface Module Serial Encoder - NEW

ELPRO 105S-3 Serial Telemetry Module NEW

Siemens Simatic 6ES7 138-4DF00-0AB0 Serial Inerface Module - 6ES71384DF000AB0