Cheap And Discounts LC UPC Single Mode Fiber Optic 2dB 3dB 5dB 7dB 10dB 15dB Attenuators LC Flange Optical Fiber Signal Attenuator for FTTH Project Wholesale. Buy Directly From Merchant Feiberey Telecom Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.