United States
Contact Us

400G QSFP-DD Transceiver Connection

400G DAC Connection

200G DAC Connection

Quality Control System

FS 400G optic transceivers are rigorously tested in our own laboratory to ensure the superior quality and performance. We perform 100% application testing in end-use conditions including PRBS and Ethernet traffic test etc. to verify link quality and transceiver operation.

Explore How We Reach Your Goals


Get 400G supporting files for your items.

Learn more


400G Optical Transceiver Market, Current and the Future.

Learn more

Technical Support

Get support & solution design for your project online.

Learn more

Chat with us