does anyone have one of these, or a piece of equipment with one in it? i need the transmitting end. http://www.mouser.com/ProductDetail/TT-Electronics/OPF1414T/?qs=%2fha2pyFaduilYKB1j7VAyTxFDo0%2fh4F8Ihrmh%2fmVxw8%3d thank you -jake