... Precise coupling ratio. 1x4 Optical SplitterFeatures;1) Single mode and multi mode fiber available;2) Low insertion loss, high RL ... ;4) φ0.9mm, φ2.0mm, φ3.0mm fiber optic cable optional;5) Industry standard and custom housing available;6 ... ;7) Environmental stable;8) 1x2, 1x4 and 1x n customized couplers configuration available;9) Meets ISO9001, ROHS, ... (N=1,2,4)N x 8 (N=1,2,8)N x 16 (N=1,2,16)N x 32 (N=1 ...