Brand: FINISAR Part Number: FTCD4543E2PCM FTCD4313E2PCL-FB Form Type: QSFP-DD Speed: 400GBase Reach: 10km Wavelength: 1310nm Transceiver Type: LR4 Connector: LC MPO: MPO Media: SMF DOM: DOM Speed Description: 4X100Gigabit Environment: 0 to 70C Country of origin: CHINA In addition to FINISAR FTCD4543E2PCM FTCD4313E2PCL-FB , Liyuan Tech supply a wide range of other Finisar transceivers. If you have any need or interest, please feel free to send inquiry to global@chn-liyuan.com