The SC/UPC Singlemode Fixed Fiber Optic Attenuator (Male to Female, 1~30 dB Optional) is a high-precision optical device designed to provide stable and accurate attenuation within singlemode fiber networks. Featuring an SC/UPC male-to-female inline structure, this attenuator allows effortless plug-in installation without altering existing cabling, making it an ideal choice for optical power control, link balancing, and receiver protection.