Quick view APRESIA H-LR4-QSFP+ Compatible 40GBASE-LR4 QSFP+ 1310nm 10km DOM Transceiver $685.00 APRESIA H-LR4-QSFP+ Compatible 40GBASE-LR4 Transceiver Module (SMF, 1310nm, 10km, LC, DOM) Product Details APRESIA Genuine Compare Add to Cart Wish list