Gigabit, Mode B, rack mount 24 Port Injector with two 48 volt 240 watt power supplies. Save big on network upgrades and installations using this 24 port gigabit midspan PoE injector. Use the GPOE-24B-48v240w to power up to 24 IP cameras, desktop phones, WiFi access points, or other low voltage devices through a network data cable. With this PoE Injector, you can add power to your data cable for a fraction of the cost of upgrading to a PoE capable network switch.