DB9 RS232 Male to RJ45 Female M/F Modular Adapter Connector Extender Convertor

1 X DB9 Male to RJ45 Female Adapter. Connector Type: RJ45 Female, RS232 female connector. These adapters are used to run RS232 data over long distances (up to 100m) using UTP Cat 5e cable to bridge the gap.

eBay