https://uk.insight.com/en_GB/shop/product/QSFP-100G-CWDM4-WR/wire%20technologies%20inc/QSFP-100G-CWDM4-WR/Wire-Technologies-Arista-QSFP100GCWDM4-Compatible-QSFP28-transceiver-module-100GbE-100GBaseCWDM-LC-singlemode-up-to-2-km-1310-nm/?srsltid=AfmBOoq49HyHuXeb0PRF7Q_xzMHDKxemd0mzCdjOUvSkMysCBVri3QA9