125Gbps Rate: 25Gbps rate, T1310/R1550 single fiber single mode, up to 40KM transmission distance, with advanced DDM function, can monitor real time parameters and status on the fiber link. SFP MSA compliant, IEEE 803z compliant. 2Hot Swap: To hot swap, rotate the rings fastener down to unlock, then pull the transceiver out of the switch. Less than 05W power dissipation and thermal pads provide superior heat dissipation. 3Low Power Consumption: Power consumption is only less than 1 watt, which can save cost wisely. 40KM transmission distance, 1310nm working wavelength. 4Wide Compatibility: Compatible with most brands of equipment, widely used in fiber optic switches, routers, network cards, servers, firewalls or other fiber optic equipment with 25Gb SFP ports. 5Strict Testing: All products are produced under strict quality control system, and each module is tested one by one on different switches before leaving the factory to ensure compatibility with switches of different brands.