This lot of 4 gigabit PoE injectors includes models from SonicWALL, Microsemi, and Phihong, all designed for use with 802.3at/af standards. Each injector has a single RJ-45 connector and supports a maximum data rate of 1000 Mbps/1 Gbps. These injectors are compatible with universal brands and provide a reliable networking solution for enterprise environments requiring high-speed Ethernet connectivity.