Monoprice 103598 RS-232 Extender over CAT5e Cable<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Extend the range of your serial RS-232 control interface with the convenience of standard Cat 5e cables. </span></li><li><span class="a-list-item"> Compatible with all RS-232 protocols. </span></li><li><span class="a-list-item"> Full-duplex data communication. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41v-ZhmrbPL.jpg" noproxy>