Features:environment stability good ,easy to install ,the 

insertion loss deviation is small ,high attenuation precision,

they use for Telecommuincation network,optical fiber,CATV,

measuring,instrument,local area network,optical fiber sensor,

optical fiber to household.

Connector N: 1)2W   2)5W   3)10W    4)25W    5)50W    
             6)100W   7)50W 31dB—60dB