3 Ways to Power Devices with PoE: Wall Plug, Multi-port Injectors

I regularly browse new arrivals feeds of popular websites to look out for interesting products, and I've noticed Banggood has several inexpensive PoE

TL-POE260S, 2.5G PoE+ Injector

What is Power Over Ethernet (POE)? - everything RF

Quick Review, Teardown: 802.3at/bt Power-over-Ethernet (PoE) Power Injectors

PoE Injector: Enhance Network Efficiency

4 Port Gigabit PoE Extender (IEEE 802.3af/at/bt) PoE Injector, DIN-Ra

Supports PoE Switches and PoE Injectors. Adds an additional 100m (328ft) of range. 30W of total power.

BV-Tech POE-RP101G | Single Port Gigabit 802.3af/at PoE+ Extender - Extend 330ft (100m)

802.3af/at injector for 4 Gigabit devices (POE-INJ-4-G-Active) - The source for WiFi products at best prices in Europe

PoE Texas GPOE-6AB-48v60w | Gigabit 6 Port Passive Power Over Ethernet Injector for 802.3af Devices | with 48 Volt 60 Watt

Power over Ethernet (PoE) VoIP Phones: The Complete Guide