Features: High return loss Simple structure Max. bearing power (1W) Low wavelength relativity Low polarization related loss Compact structure Performance Indexes: Attenuation quantity: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30dB Attenuation precision: <5dB; <10dB; >10dB Return loss: PC: >40dB; UPC: >50dB; APC: >60dB Operating wavelength: 1310nm and 1550nm (SM), 1550nm (DSF) Polarization related loss: <0.1dB Operating temperature:-40~75 Storage temperature: -40~85 Humidity (not sealed): 95% RH, compliant with Telecordia Stan dard (GR-910-CORE) Types of connectors available: FC, SC, ST, LC and MU types Application: Optical line distributing frame Fiber-optical network system Hi-speed fiber-optical transmission system CATV system Dense Wavelength Division Multiplex (DWDM) system Optical add-drop multiplexers (OADM)