II-VI's copper and optical; longwave, shortwave and WDM SFP's transceivers provide applications using Fast Ethernet, Gigabit Ethernet, 1x/2x/4x Fibre Channel (Datacom), and OC-3/STM-1, OC-12/STM-4, OC-48/STM-16, EPON/GPON and Wireless/CPRI across all reaches (Telecom).