used this to extend my wifi signal to an outside wifi access point so now I have wifi in my entire yard (before installing this the signal to the wifi access point was weak and would often drop packets - because the cable from my network switch to the access point was about 350 ft) - also bought a POE network switch to go along with this item. best feature is that no separate power required to run this - just plug the POE cable into the "in" port on this device and put the cable to the wifi access point to the "out" port.

First I bought a Netgear POE powered 5 port switch with 2 POE passthrough ports. It was junk. I wanted to connect a Unifi Pro Access Point and a Reolink RLC-422 Camera but it would only power 1 device at a time.Next, i bought a DLink 5 port switch that looked nearly identical to the Netgear. I was worse. It would not power either device. In both cases the power source was POE+.I tried a OdiySurveil(TM) 4-Port 10/100M Extender and it worked great. Both devices were powered up and working fine. But it limited my Unifi to 100Mbps and that was not acceptable in my application.This Startech device is exactly what I needed. Now I can add security cameras to the same ceiling jacks where my wifi access points are already installed and save thousands of dollars on new cable runs.

used this in conjunction with a Cisco switch to operate a PTZ camera. works like magic, no power needed, just an input and out Ethernet cable

The purpose of this Gigabit Power over Ethernet (PoE) Extender is to enable devices to be powered and networked when they are located over 330 feet from Ethernet and power sourcing equipment (PSE). The distance is doubled by using this device. And if desired, four of these extenders can be daisy-chained together for a combined distance of 1650 feet. But, the electrical power delivered diminishes by what is required to power each extenders which is listed in the instruction manual as four watts.However, those are optimal distances which during actual operation may be less. For example, the instructions recommend the use of solid conductor CAT5 or higher cable. There are two types of cable solid conductor and stranded conductor. Solid wire cable, usually available in large rolls, is intended to be installed in walls or ceilings because it is a better conductor than stranded. But, it is stiff and subject to breakage when bent.The stranded wire cable consists of many very thin wires twisted together with connectors on each end. This flexible style is more economical and user-friendly. It’s available in wide variety of lengths and as mentioned the connectors are already attached. However, it is less efficient in the transmission of both data and electric current.I have a wireless access point located about 100 feet away from the nearest network and PSE connection. It is currently connected through a PoE power injector with a long stranded wire cable. This is much less that the 330 foot maximum distance, yet the access point has frequent interruptions as if it is losing power, network connection, or both.The PoE extender has one Ethernet ports on each side, one labelled IN and the other OUT. So, I connected the PoE IN port to the end of the long stranded wire cable nearest the access point, then connected the PoE OUT port to the access point with a short stranded CAT6 cable. And, although the manual states CAT5 cable or higher may be used, actually CAT5e or better is required for Gigabit Ethernet speed so CAT5 is not an optimal choice.On its own, the PoE extender has no power supply, so it cannot provide power to a connected device if it is not connected to a power source itself. In my application the extender is connected to a POE Injector, but a PoE hub or switch would work as well. The extender uses the power to boost the Ethernet signal, while simultaneously decreasing the power signal by the 4 Watts mentioned in the instructions.Specifics about the extender. The small metal box is about the size of a pack of cards (2.75 by 3.75 by 1 inch. On top are three lights, labelled PoE OUT, LNK/ACT, and PoE IN. When operating properly, the two PoE lights glow steady, while the other blinks to indicate the transmission of data. The instruction manual (a two-sided single page) states the lights are green, but when illuminated mine look yellow.The back of the box has two multi-direction key-holes for wall mounting either vertically or horizontally but the necessary mounting hardware is not included (two screws and anchors). And, although two sides of the device have numerous air-vent holes, while operating the extender is warm to the touch so it’s probably a good idea to place it where plenty of air can circulate around it.Since adding the extender, the access point has stopped exhibiting intermittent outages. Data transmissions and connections are faster and more dependable. This is the result I wanted.

I connected this in a long run cat5 cable that goes to one of my security cameras, the one with the longest reach. Signal boost was minimal compared to readings without this extender so I'm not very impressed given the cost. I think the best option this extender offers is the PoE-Power over Ethernet Extender, this provides 24-watt power output to compatible devices, if you don't have a power source at the location this will serve the need.You can also daisy chain a number of these units for longer runs. I didn't test the daisy chain option because I don't have any Cat5 cable running that far.

A Gigabit PoE (Power Over Ethernet) Extender is not something everyone will need.But let’s say you are installing a video surveillance system in a large building. Your IP (Internet Protocol) camera is set up to operate on PoE, so it doesn’t need a nearby AC outlet. But the camera needs to be located almost 400 feet away from your network video recorder (NVR), much further than the capabilities of your video surveillance controller.That’s where this little box comes in. Run your high-quality CAT5 or higher Ethernet cabling from your NVR or control point to the Extender and, like magic, your signal is essentially boosted a bit and can run up to another 330 feet. The Extender doesn’t need any external power. I don’t really understand how they do that, but they do.Set-up is extremely simple. Plug in an input cable on one side and an output cable on the other. The Extender supports 10Mbps, 100Mpbs and 1000Mbps speeds, provided you are using 802.3at or 802.3af devices. This requirement is crucial.You can daisy-chain up to four of these units for PoE cable runs of as long as about 1,600 feet. Remember that there are several variables here that constrain maximum optimal performance. Power is reduced with each Extender in line, which in turn limits what devices you can use at the end of your chain. The quality of your cable is also another limiting factor.Obviously this Extender is not intended for use by amateurs. But an experienced network technician will find it easy-to-use and very useful in situations where devices must be provided with connectivity far from a power source. Video cameras and access points will probably be the most common applications for using an Extender like this.Jerry