4 channels 1270-1610nm, 2D free space ,1.0dB typical IL, bilateral fiber outlet,

6 channels 1270-1610nm, 2D free space ,1.2dB typical IL, unilateral fiber outlet

8 channels 1270-1610nm, 2D free space ,1.6dB typical IL, bilateral fiber outlet,

9 channels 1270-1610nm, 2D free space ,1.7dB typical IL, bilateral fiber outlet,