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Best Choice FLYPROFiber 
FLYPROFiber 10dB LC Attenuator 10dB-10pack LC/UPC SM Single Mode Fixed Fiber Optic Attenuator, Male-Female 📡As a optical passive devices, FLYPRO Fiber attenuators mainly used in fiber optic to debug optical power performance &uxcell 
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uxcell 5dB LC Fiber Attenuator, LC/UPC SM Single Mode Fixed Fiber Optic Attenuator Male to Female for Fiber Optic Transm A fiber optic attenuator is an optical device that can reduce the energy of optical signals widely used in optical fiberJeirdus Jeirdus 10Db SC/APC Female to Male Fiber Optic Attenuator SC APC Single Mode Simplex Fixed Optical Attenuator 10dB SC/APC Single Mode Fixed Male-Female Fiber Optic AttenuatorDuogalia Duogalia 5 Pack SC/APC Fiber Optic Attenuator 5dB, Fixed Single Mode Fiber Optic Attenuator, SC-APC Male to Female [Attenuators] Attenuators are a type of optical passive device in fiber optics that can attenuate fiber optic signals, cNDNCZDHC Fiber Optic Attenuator, 1~30dB Attenuator Carrier Class Fiber Attenuator Mechanical Adjustable SC/UPC Optic Fiber Couple Carrier-Class Mechanical Fiber Optic Attenuator Adapter: This fiber optic attenuator is a fiber optic attenuator adapterZENWORYS ZENWORYS 2PCS SC UPC Fiber Optic Attenuator Single-Mode Fiber Optic Male to Female Connector 15DB Adapter Stable performance and high reliabilityuxcell uxcell 15dB SC Fiber Attenuator, SC/UPC SM Single Mode Fixed Fiber Optic Attenuator Male to Female for Fiber Optic Trans Fiber optic attenuator is an optical device that can reduce the energy of optical signals widely used in optical fiber cuxcell uxcell 10dB SC Fiber Attenuator, SC/UPC SM Single Mode Fixed Fiber Optic Attenuator Male to Female for Fiber Optic Trans Fiber optic attenuator is an optical device that can reduce the energy of optical signals widely used in optical fiber cuxcell uxcell 1dB SC Fiber Attenuator, SC/UPC SM Single Mode Fixed Fiber Optic Attenuator Male to Female for Fiber Optic Transm Fiber optic attenuator is an optical device that can reduce the energy of optical signals widely used in optical fiber cuxcell uxcell 5dB SC Fiber Attenuator, SC/UPC SM Single Mode Fixed Fiber Optic Attenuator Male to Female for Fiber Optic Transm Fiber optic attenuator is an optical device that can 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CompatibleVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(4db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(1db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(20db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(10db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(20db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(13db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(2db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(9db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(15db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(0db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(3db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(12db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(5db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(8db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(6db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(7db) LC/A Fiber Attenuators for Reliable Signal ManagementVJSUWI VJSUWI LC/A Fiber Optic Attenuator Female to Male FM 0-25db 10 pcs(Ask us-customized) LC/A Fiber Attenuators for Reliable Signal ManagementIEC 60869-1 Ed. 3.0 b:1999, Fibre optic attenuators - Part 1: Generic specification fyboptwu fyboptwu - 5pcs 7dB SC-APC Fiber Optic Attenuator Fiber Signal Attenuation Converter SC-APC Male to SC-APC Female Insert 【Attenuators]】Attenuators are a type of optical passive device in fiber optics that can attenuate fiber optic signals, cVJSUWI VJSUWI Fiber Optic Attenuator 5pcs LC FM OM3 3db Female-Male Fiber Optic Attenuator (OM3 Aqua 5dB) 3 dB fiber optic attenuator for optimal signal performanceMultiple. 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Distributed through American National Standards Institute (ANSI) IEC 61753-051-02:2022, Fibre optic interconnecting devices and passive components - Performance standard - Part 051-02: VJSUWI VJSUWI Fiber optic attenuator 5pcs LC FM OM3 3db female to male fiber optic attenuator(OM2 gray 15dB) 3dB fiber optic attenuator for optimal signal performance