QSFP-DD-800G-2FR2 800G QSFP-DD800 2FR2 (200G per line) 2km 1291/1311nm Dual CS SMF Transceivers
F-tone QSFP-DD-800G-2FR2 800G-2FR2 QSFP-DD Transceiver Module uses a Wavelength of 1291/1311nm via dual CS connectors for 2 km transmission over single-mode fiber (SMF).

