For 10 Gigabit Ethernet, Allray is now offering the LX4 transceivers. Allray makes the key component for Beam Express which owners the transceiver brand. The LX4 transceiver conforms to the highly versatile multi-wavelength transmission format specified within the IEEE 802.3ae standard for 10G. Transmission distances are 300 meters over legacy multi-mode fiber, which is specified as a minimum modal bandwidth of 500MHz-km in the 1310nm window, as well as 10km over single-mode fiber

10GBASE-LX4 X2 Transceivers