ipolex OS2/OS1 LC-LC Fiber Optic Patch Cable， 9/125μm Singlemode Duplex Cable， 5-Meter(16.5 feet)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> LC to LC， Duplex </span></li><li><span class="a-list-item"> SMF(9/125μm) </span></li><li><span class="a-list-item"> Polish: UPC/PC </span></li><li><span class="a-list-item"> Low Smoke Zero Halogen (LSZH) </span></li><li><span class="a-list-item"> OS1 and OS2 are standard single-mode optical fiber used with wavelengths 1310 nm and 1550 nm (size 9/125 µm) with a maximum attenuation of 1 dB/km (OS1) and 0.4 dB/km (OS2). OS1 is defined in ISO/IEC 11801 and OS2 is defined in ISO/IEC 24702. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41zYR0uOKML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41a2wTaek6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bAGtOrv-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31z0HbD612L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51lZdRmFtrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Rwoh0CXfL.jpg" noproxy>