The plug type male-female optical attenuator is characterized bydifferent interfaces on both ends, one male (like fiber optical connector) and the other female (like fiber optical adapter), and fixed attenuation value. SC, FC, LC, ST, MU and E2000 type available. JFOPT attenuator features with high attenuation accuracy, reliable performance, low IL and high return loss, and is widely applied to test equipment, data center, CATV system etc.