This gigabit midspan poe injector is a cost effective alternative to upgrading your existing network switch to a poe capable model it supplies up to 30 watts output to each port so you can easily power and access up to four high power poe compliant devices mdash such as ip cameras mdash using standard ethernet cable more power with less cost and hassle this versatile midspan poe injector is suited for almost all poe device classes including wireless access points as well as ip phone