SFP-21B
Gigabit Ethernet, Tx -1490 nm, Rx -1310 nm, single mode (single fiber), laser (WDM), 40.0 km (24.8 mi)
SFP-21BED
Gigabit Ethernet, DDM, external calibration, Tx -1490 nm, Rx -1310 nm, single mode (single fiber), laser (WDM), 40.0 km (24.8 mi)
SFP-21BH
Gigabit Ethernet, industrially hardened, Tx -1490 nm, Rx -1310 nm, single mode (single fiber), laser (WDM), 40.0 km (24.8 mi)
SFP-22A
Gigabit Ethernet, Tx -1490 nm, Rx -1570 nm, single mode (single fiber), laser (WDM), 80.0 km (49.7 mi)
SFP-22B
Gigabit Ethernet, Tx -1570 nm, Rx -1490 nm, single mode (single fiber), laser (WDM), 80.0 km (49.7 mi)
SFP-23A
Gigabit Ethernet, Tx -1310 nm, Rx -1550 nm, single mode (single fiber), laser (WDM), 40.0 km (24.8 mi)
SFP-23AED
Gigabit Ethernet, DDM, external calibration, Tx -1310 nm, Rx -1550 nm, single mode (single fiber), laser (WDM), 40.0 km (24.8 mi)
SFP-23BED
Gigabit Ethernet, DDM, external calibration, Tx -1550 nm, Rx -1310 nm, single mode (single fiber), laser (WDM), 40.0 km (24.8 mi)
SFP-27DH
Gibagit Ethernet, 1270 nm, DDM, laser (CWDM), industrially hardened, single mode, 60 km (37.3 mi)
SFP-28A
Gigabit Ethernet, Tx -1310 nm, Rx -1550 nm, single mode (single fiber), laser (WDM), 10.0 km (6.2 mi)