QSFP-200G-FR4, 200GBASE-FR4 QSFP56 Optical Transceiver Module, SMF, 1271nm, 1291nm, 1311nm and 1331nm, 2km, LC, DDM.

Specifications:
Form Factor: QSFP56
Max Data Rate: 200Gbps (4x50Gbps)
Wavelength: 1271nm, 1291nm, 1311nm and 1331nm
Max Cable Distance: 2km
Connector: Duplex LC/UPC
Media: SMF
Transmitter Type: DFB
Receiver Type: PIN
TX Power: -4.2~4.7dBm
Minimum Receiver Power: -8.2dBm
Power Budget: 4dB
Receiver Overload: 4.7dBm
Max Power Consumption: 6.5W
Extinction Ratio: >3.5dB
DDM/DOM: Yes
Commercial Temperature Range: 0 to 70°C
Modulation (Electrical): 4x50G-PAM4
Modulation (Optical): 4x50G-PAM4
Protocols: IEEE 802.3cd, IEEE 802.3bs, QSFP56 MSA, SFF-8665, SFF-8024, SFF-8679
CMIS: 4.0
Warranty: 5 Years