SFP-76DH
Gigabit Ethernet, DDM, internal calibration, industrially hardened, 1550 nm, 140.0 km
SFP-77ADH
SFP-76ADH Gigabit Ethernet, DDM, internal calibration, industrially hardened, Tx 1310 nm, Rx 1490, single mode, laser WDM, 60 km (37.3 mi)
SFP-77BDH
SFP-77BDH Gigabit Ethernet, DDM, internal calibration, industrially hardened, Tx 1490 nm, Rx 1310, single mode, laser WDM, 60 km (37.3 mi)