The Foxconn AFCT-57F3ATMZ is a fiber optic transceiver used to convert electrical signals into pulses of light to send over fiber optic cables. It is used in a variety of applications, including telecommunications, computer network systems, and television broadcasting. This transceiver can operate at speeds of up to 10.3125 Gbps and supports speeds from 155 Mbps to 622 Mbps. It is designed for use with multimode and single-mode fiber optic cable, and is compliant with the ITU G.652 D, C, B, and A fiber types. The transceiver also has a low-power dissipation, making it suitable for power-sensitive applications.