The ATNSSCPCXXA1SLPF0 from POFC CORP. is a Fiber Optic Attenuator that operate at wavelengths of 1310 nm, 1490 nm & 1550 nm. It has an attenuation value of 1 dB - 30 dB and tolerance of 1 dB - 5 dB ± 0.8 dB, 6 dB - 15 dB ± 1.3 dB & 16 dB - 30 dB ± 1.8 dB. This single-mode fiber optic attenuator has a return loss above 50 dB and 60 dB. It has a metal ion-doped fiber that supports SC fiber connector with PC or APC polishing types. This silver-color fiber optic attenuator is available in a module that measures 32.8 (L) mm x 12.7 (W) mm x 8.1 (H) mm and is ideal for telecommunication systems, fiber optic networks, CATV networks & testing instrument applications.