PoE Injectors

Single-Port Power for Access Points, Cameras, and IP Phones

PoE injectors add Power over Ethernet to a single device without replacing the entire network switch, delivering 15.4W, 30W, or up to 90W inline between the switch and the powered device. The lineup from Ubiquiti, HPE Aruba, TRENDnet, and TP-Link covers every PoE standard from 802.3af to 802.3bt with full gigabit data passthrough, all part of the networking infrastructure catalog.

PoE Injectors for Every Use Case

• Single access point installs — powering a wireless access point in a ceiling or wall location where the existing switch has no PoE capability
• Remote camera locations — adding an IP camera to a hallway, stairwell, or exterior wall far from a power outlet without running a separate electrical circuit
• Door stations and intercoms — powering VoIP door phones, video intercoms, and access control readers at building entry points over a single ethernet cable
• Temporary or test deployments — quick single-device setups for evaluating equipment or covering temporary needs before committing to a full PoE switch upgrade
• Supplementing existing switches — adding PoE to one or two ports on a non-PoE switch without the cost and downtime of replacing the entire switching infrastructure

Choosing the Right PoE Injector

Match the injector's wattage and PoE standard to your device's power requirements. Check the device datasheet for its PoE class and maximum draw. 802.3af delivers up to 15.4W per port, sufficient for VoIP phones and basic access points. 802.3at (PoE+) delivers up to 30W, covering most WiFi 6 access points and fixed IP cameras. 802.3bt (PoE++) delivers up to 60W or 90W for high-draw devices like PTZ cameras, video conferencing endpoints, and outdoor access points with integrated heaters. Over-provisioning is fine since the powered device only negotiates the wattage it needs from the injector, so a 30W injector powering a 15W device simply delivers 15W.

When to Use a PoE Switch Instead

If you are powering more than two or three devices, a PoE switch is usually more practical and cost-effective. A switch eliminates individual injectors at each device, simplifies cable management, and provides centralized control over power delivery with per-port monitoring and scheduling. Injectors are the right call for one-off installs, remote locations where only a single device needs power, or adding a powered device to an existing non-PoE switch port where replacing the switch is not justified by the cost or the network downtime required.

Complete Your PoE Deployment

• Ethernet Switches — managed and PoE switches for powering multiple devices from a single unit
• Wireless Access Points — indoor and outdoor WiFi access points powered by PoE injectors or switches
• Security Cameras — IP dome, turret, bullet, and PTZ cameras powered over ethernet
• Network Cables — Cat5e, Cat6, and Cat6a cables carrying PoE power and data to connected devices