1. Simple structure.
2. High return loss.
3. Max. bearing power (1W).
4. Low PDL.
5. Compact structure.
1. Attenuation quality: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60dB. 2. Attenuation precision: ± 0.3dB ( 1 - 5dB): ± 0.5dB ( 5 - 10dB), ± 10% ( > 10dB). 3. Return loss: PC > 40dB, UPC > 50dB, APC > 60dB. 4. Operating wavelength: 1310nm & 1550nm (SM), 1550nm (DSF). 5. Polarization related loss: <= 0.1dB. 6. Operation temperature: -40°c ~ 75°c. 7. Storage temperature: -40°c ~ 85°c. 8. Humidity ( not sealed): 95% RH comply with telecordia standard ( GR-910-CORE).