Robust quality 24-Port Injectors are skillfully constructed for PoE applications. The rack-mountable passive PoE injector with 650 mA per port powers IP cameras, desktop phones, Wi-Fi APs, or other low voltage devices and delivers power 328 ft. from the PoE injector. The injector takes power from the 24V or 48V DC power supply and adds the same voltage to your Ethernet data cable (Cat5, Cat5e, Cat6) to power your devices. When paired with a 48V DC power supply, the injector can power 802.3af devices. ISP Supplies is a certified distributor of PoE Texas offering its certified 24-Port Injectors at cost-efficient prices.