What is the Gigatech OSFP-400G-LR4-GT?
The Gigatech OSFP-400G-LR4-GT is a SFP optical transceiver module, listed by the manufacturer as "400GBASE-LR4 OSFP Transceiver, 10km SMF LC, Arista Compatible". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.