The transceiver consists of three sections: a Cooled EML laser transmitter, a APD photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. 125Gb/s electrical data to 4-channel 106. 25Gb/s optical signals and multiplex them into a single channel for. Designed for 10GbE links up to 60km over single-mode fiber, this optical transceiver features a CWDM EML laser, delivering long-reach, high-speed, and reliable optical transmission for telecom networks, data centers, and enterprise Ethernet applications. This design enables 10G EML modules to achieve a maximum transmission distance of 80 km. Trusted by 260K+ Enterprise Users.