Each 331-5311-ENC transceiver operates at 10.3 Gbps over Multi-mode fiber at 850nm with a maximum reach of 300 meters. All ENET OEM Compatible transceivers are MSA compliant for seamless integration and RoHS compliant for environmental conformity. All ENET transceivers are 100% tested in-house for functionality and compatibility and backed by a Lifetime Replacement Warranty.