What is a PoE Camera? Your Ultimate Guide

PoE cameras are a versatile and efficient surveillance solution that utilizes Power over Ethernet technology. By combining power and network connectivity through a single Ethernet cable, these cameras simplify installation and reduce cable clutter, making them an increasingly popular choice for both residential and commercial security applications.

In this comprehensive guide, we will provide you with a thorough understanding of what is a PoE cameras and how they can revolutionize your security experience. You will find what you want here whether you are new to the PoE camera or a pro.

What is a PoE Camera?

A PoE camera is an IP security camera that uses Power over Ethernet technology to deliver power and data through a single Ethernet cable, such as CAT5e or CAT6. These cables follow IEEE 802.3 standards and support stable transmission over long distances, making installation simple and efficient. Because only one cable is needed, PoE cameras are often considered plug-and-play solutions.

They usually offer features like motion detection, night vision, wide dynamic range, and two-way audio, depending on the model. With reliable performance and easy setup, PoE security cameras are widely used in homes and businesses.

How Do PoE Security Cameras Work?

Many beginners expect a PoE camera to work by simply connecting it to their home router with an Ethernet cable. That’s correct only when they use a CAT5 or higher-category Ethernet cable and the router support PoE.

In cases when your router doesn’t support PoE or you want to manage multiple PoE cameras, you need to utilize other devices such as a PoE injector or PoE switch.

A PoE injector can add Power over Ethernet (PoE) capabilities to a non-PoE network switch or router. Similarly, a PoE switch has built-in PoE capabilities and can provide both power and data transmission to PoE cameras. Their main difference is that a PoE switch comes with multiple ports to support several PoE devices simultaneously, while a PoE injector can only support one PoE camera.

How to Choose the Best PoE Cameras?

Choosing the best PoE security camera for your security and surveillance needs involves evaluating various factors and features. Here are some key considerations to help you select the ideal PoE camera:

1. PoE Standard

The PoE standard determines the power output that the camera can receive and ensures compatibility with your existing PoE equipment. There are two common PoE standards: IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards. The IEEE 802.3af standard provides up to 15.4 watts of power per port, while the IEEE 802.3at standard offers up to 25.5 watts.

The 802.3at as a newer PoE standard is backward compatible with the 802.3af standard, which means that devices supporting the 802.3at standard can also supply power to devices designed for the 802.3af standard. To avoid compatibility issues, it's essential to choose a PoE camera that matches the PoE standard of your existing equipment, such as PoE switches or injectors.

2. Image Quality

Consider the resolution of the PoE camera, as it directly impacts the clarity and detail of the footage. Common resolutions include 1080p (2MP), 3MP, 4MP, 5MP, and 4K (8MP). Higher resolutions like 4K provide better image quality but may require more storage space and bandwidth.

3. Field of View

The field of view (FOV) determines the area the camera can cover. Wider FOVs enable monitoring of larger areas, while narrower FOVs are suitable for focusing on specific points or entryways. If you want to monitor a large area, choose a wide-angle PoE camera.

4. Night Vision

Evaluate the camera's night vision capabilities, as it is crucial for capturing clear footage in low-light conditions and providing 24/7 home security. Look for cameras with infrared (IR) LEDs and check their effective range to ensure adequate coverage in the dark. In this way, you won’t miss anything both day and night.

5. Remote Access & Compatibility

Ensure the PoE camera is compatible with your existing security system or NVR and offers remote access through a user-friendly app or web interface. This is necessary for you to view live feeds and manage settings from anywhere.

6. Weather Resistance

If you plan to install the PoE camera outdoors, make sure it has a suitable IP (Ingress Protection) rating to withstand harsh weather conditions, such as rain, snow, or dust. An IP66 rating or higher is recommended for outdoor cameras.

7. Budget

Determine your budget for the PoE camera and compare the features and performance of various models within your price range. Keep in mind that a higher initial cost may be offset by long-term savings from simplified installation and centralized power management.

Best Reolink PoE Cameras: A Top-Selling List

In the big world of security cameras with PoE, a quick way to target the best PoE camera is to focus on your demanding features, like the resolution, night vision, PTZ, audio, weatherproof, etc.

Some reputable brands have produced PoE security cameras with all these good features, making them suitable for all security applications outdoors and indoors. Here are some of the best-selling security cameras.

The most popular PoE outdoor security camera - RLC-810A

RLC-810A is a 4K Ultra HD PoE security camera that offers excellent image quality with 3840x2160 resolution, allowing you to see more details vividly and clearly.

RLC-810A features advanced AI-powered person/vehicle/pet detection, which significantly reduces false alarms. It also comes with 18pcs built-in infrared LEDs for night vision up to 130 feet and an IP66 weatherproof rating, making it durable enough to withstand harsh weather conditions.

Smart 360° PTZ PoE camera with Dual-lens - Reolink TrackMix PoE

The RLC-823A comes with 4K 8MP UHD and 5x optical zoom, enabling you to focus on distant objects without compromising image quality.

Like the RLC-810A, it also has smart detection and clear night vision. But the best thing about Reolink TrackMix PoE is that it can pan and tilt to offer a 360° endless view, leaving no blind spots at all. The added PTZ functionality makes it suitable for monitoring larger areas and focusing on specific details.

Best PoE camera system - RLK16-800B8

If you want to build a home surveillance system, the 16-channel PoE security system RLK16-800B8 is a perfect solution.

This integrated PoE camera system includes an 16-channel NVR and eight 4K cameras, along with necessary accessories. The NVR has a built-in 4TB HDD) that greatly expands the storage space for your PoE cameras and it can save all the recordings locally and securely.

This system offers 24/7 continuous recording and provides a comprehensive solution for larger properties or businesses looking for a multi-camera setup. Also, you can view the footage remotely via Reolink’s App or Client.

How to Set up PoE Security Cameras & Systems

There are 3 simple solutions for you to get your PoE security camera to work in whatever situation. To make things easy to understand, we’ll take Reolink PoE cameras for example.

Solution 1: Plug and play when your home router supports PoE

Technically, you only need to connect your PoE security cameras to the router that supports PoE with an Ethernet cable, and then your PoE camera will start to work. This is a plug-and-play solution even for beginners.

If you need larger storage with a PoE home security camera system, just add an NVR to your router.

Solution 2: Use a PoE injector/PoE switch for IP cameras when the router doesn’t support PoE

Things will be a little more complicated when your router is not PoE featured, or the monitoring areas are out of the reach of existing camera wires. In either case, a PoE injector or PoE switch for IP Cameras will help you get PoE for IP cameras.

Here’s how you can use them to set up a PoE camera system:

With a PoE IP camera injector, you will need to plug the Ethernet cable of the PoE camera into the injector, connect the injector to your router, and then power the injector. And the work is done.

Note: Mind that the PoE injector normally provides only one PoE camera, as mentioned above. So if you have multiple PoE cameras, add a network switch to the system, or just turn to a PoE switch instead.

With a PoE camera switch, you only need to plug the Ethernet cable of all the cameras into the switch, connect the PoE switch to the router, and then power the system up.

Solution 3: Add an NVR to the PoE camera system

You may also add an NVR to your PoE camera system for local video storage.

Actually, if you get a complete PoE IP camera system set, which means both PoE security cameras and NVR are provided by one manufacturer, you can simply connect all cameras with the NVR directly via the 8, 16, or even 32 PoE ports on it.

You can also connect the NVR to a router if you want remote viewing or push notifications from the PoE cameras on your phone.

Below is the wiring diagram of a PoE security camera system:

Here is also a Reolink PoE security camera system review showing you all details of the installation:

After all, you should make a plan for your PoE camera security system first (including the installation location and extra PoE extenders), and then decide which way to go and build a PoE security camera system to best suit your needs.

Here is an easy Reolink PoE security camera system review showing you all details in the installation:

Benefits of PoE Cameras

Simple Wiring and Lower Installation Cost

PoE cameras transmit both power and data through a single Ethernet cable. This greatly simplifies wiring, reduces installation time, and lowers overall setup costs compared to systems that require separate power and data cables.

Centralized Power Management

PoE cameras can be connected to a PoE switch or NVR, allowing centralized management of the entire surveillance system. Users can easily monitor devices, manage power usage, and apply backup power solutions from one central point.

Long Transmission Distance

PoE cameras support cable runs of up to 100 meters (328 feet) without signal loss or the need for additional power supplies. This makes it easier to place cameras exactly where they are needed, even in large homes or commercial spaces.

Stable and Fast Data Transmission

PoE cameras provide consistent and high-speed data transmission over wired Ethernet connections. Compared to wireless cameras that may be affected by interference or signal range, PoE cameras deliver more reliable performance for continuous, high-resolution video.

High Reliability for Continuous Surveillance

Thanks to their wired connection and stable power supply, PoE cameras are well-suited for 24/7 recording. They are less prone to disconnections and performance drops, making them a dependable choice for long-term security monitoring.

Ideal for Most Security Applications

With easy installation, strong stability, and centralized control, PoE cameras offer a practical and cost-effective solution for most residential and commercial surveillance needs.

Hot FAQs about PoE Cameras

Besides the PoE IP camera installation, there are some other questions that we’ve been frequently asked about as listed below.

What’s the max distance for PoE cameras to work?

It's suggested to use the PoE IP camera under 300 feet (100 meters) to avoid unstable signal issues or possible power attenuation problems. However, you may extend the distance with the help of a PoE switch or PoE injector.

If you are not sure about the max distance your PoE IP camera can go, check that with the camera provider to ensure your plan works well to your requirements.

Can PoE cameras work without the Internet?

Yes, PoE cameras can work without an internet connection. PoE cameras can receive power and transmit data through an Ethernet cable connected to a PoE switch or injector, which is separate from the internet.

Even without Internet access, PoE cameras can record footage locally to an SD card, NVR, or DVR. And you can still view the live feed from your PoE cameras on a local monitor connected to the NVR or DVR. If your PoE cameras are equipped with on-device motion detection features, they will continue to detect movement and trigger alerts.

But it's important to note that while PoE cameras can function without an internet connection, you lose the ability to remotely monitor and control the cameras, receive notifications, and access cloud storage (if available). If these features matter to you, ensure you have a reliable internet connection for your security camera system.

What Are the Benefits of PoE Cameras?

PoE cameras offer a variety of benefits as an effective and efficient surveillance solution. Here are some key advantages of PoE cameras:

Simplified Installation: PoE cameras require only a single Ethernet cable for both power and data transmission. This eliminates the need to install separate power cables which in turn reduces installation costs.

Reliability: PoE cameras provide a more stable and reliable connection compared to Wi-Fi cameras, as they are not subject to interference or signal loss that can occur with wireless connections.

Flexibility: PoE cameras support cable up to 100 meters (328 feet) from the PoE switch or injector, allowing for greater flexibility in camera placement without compromising signal quality or requiring additional power sources.

Scalability: PoE camera systems are highly scalable, making it easy to expand your surveillance network by adding more cameras as needed. You can simply connect additional cameras to your existing PoE switch or injector without the need for new power supplies.

Are PoE cameras better than other cameras?

In most cases, PoE cameras offer certain advantages over other types of cameras.

PoE cameras provide a more streamlined and efficient installation process, centralized power management, and longer cable runs compared to other types of cameras. They are generally considered better for larger surveillance systems or situations where a stable and reliable connection is crucial.

However, Wi-Fi cameras may be more suitable for smaller installations and areas where running cables is challenging or PoE is not supported. Ultimately, the choice between PoE cameras and other camera types will depend on your specific needs and preferences.

Conclusion

Overall, PoE cameras provide a convenient and efficient solution for modern security needs. Investing in a PoE camera system can enhance security and simplify installation. Carefully consider your unique preferences, and confidently choose the ideal solution for your property.

If you have any questions about PoE cameras or other Reolink camera review, don’t hesitate to share them with us in the comments section below. We’d love to know your thoughts.