This Fiber Optic Attenuator, Fixed - SC/APC 15dB is necessary to prevent over saturating an optical receiver when the optical power is too high. SC male-female, 15dbL-com offers an extensive line of dual wavelength (1310/1550nm) Singlemode fiber optic attenuators. Constructed of the highest quality materials and. OPTICAL ATTENUTATOR 15DB, SC/APC IN AND OUT Optimize your the signals in you fiber system with the fixed attenuator (15dB) with SC/APC connector15dB FC/UPC Male-Female Fiber Optic Attenuator ensures precise signal reduction and stable performance for telecommunications, CATV, and fiber optic networks. For product datasheet and latest catalog of Fiber Optic & FTTx Solution, ODN solution products, please contact us soon. View datasheets, pricing and availability from DigiKey now!Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods. Basic types of fixed attenuation include single mode, dual window and multimode in D4/PC, FC, FC/UPC, MU, SC, SC/APC and UPC, ST and ST/UPC style connectors. Optical attenuators usually work by.