Directional Coupler

All fiber configurationLow insertion lossLED display & 6 function keysSmooth & Easy control with rough / fine adjustment keysCoupling ratio locking functionTC1500 is an all fiber, polished coupler with variable coupling ratio. Coupling ratio, which is displayed on the screen, can be adjusted with rough or fine adjustment keys and user can easily monitor it without any other external device. TC1500 also provides coupling ratio locking function to protect the set ratio from unexpected mistake of users.