Like regular CCTV cameras, wireless CCTV cameras use video surveillance to capture footage of an area.
However, wireless CCTV cameras transmit the footage wirelessly, so they don’t require any cables or wires to connect to a monitor or recording device.
How does a wireless CCTV camera work? Instead, a wireless CCTV camera sends the footage it captures to a receiver, located anywhere within range of the camera.
It makes wireless CCTV cameras an excellent option for businesses or homeowners who need to monitor a large area, as they can be placed in multiple locations without extra cables.
Additionally, wireless CCTV cameras are often more affordable than regular CCTV cameras, and they are easier to set up and use.
What is a wireless CCTV Camera?
A wireless CCTV camera is a security camera and the best outdoor security camera system that does not require a physical connection to a video recorder or monitor.
Instead, the image is transmitted wirelessly to a remote receiver.
It makes them ideal for locations where running cables would be difficult or impossible, such as outdoors or in large buildings.
There are different CCTV Camera types and specifications but basically, there are two main types of wireless CCTV cameras:
Those that transmit images over radio frequencies and those that use infrared signals.
Radiofrequency systems are more common, but they can be affected by interference from other electronic devices.
Infrared systems are less prone to interference but are only usable in darkness or semi-darkness.
Most wireless CCTV cameras have built-in motion sensors that activate the camera when movement is detected.
Factors to consider before buying wireless CCTV Camera
Wireless CCTV cameras are a great option for anyone looking for a discreet security solution.
These cameras connect to your home or office network, allowing you to view live footage from anywhere in the world; you just need to find a nearby CCTV IP address.
They are also easy to set up, and many models come with motion detection and night vision features.
If you’re looking for a wireless CCTV camera, be sure to consider the following factors:
1. Camera resolution
When choosing a wireless CCTV camera, be sure to consider the camera’s resolution. The higher the resolution, the sharper the image will be.
2. Field of view
The field of view is another important consideration. The wider the field of view, the more area the camera will cover.
3. Power consumption
Since wireless CCTV cameras operate on batteries, you’ll also want to consider how long the camera will continue working on a single set of batteries.
The best way to do this is by checking the battery life rating on your model of choice. Generally, battery life increases as power consumption decrease.
4. Networking features
If you plan on using more than one wireless CCTV camera, they all must connect to your network easily and quickly.
Look for models with built-in networking features like DHCP support or UPnP support that make connecting multiple devices simple.
It’s also important that your cameras are all compatible with each other so you don’t have compatibility issues down the road.
5. Ease of installation
Finally, consider what it will take to get your wireless CCTV camera up and running. Some models are plug-and-play, while others require a bit more effort.
If you’re not comfortable installing the camera yourself, be sure to choose one that comes with an installation manual or CD so you can have someone experienced set it up for you.
Types of Wireless Camera
There are two types of wireless cameras: analog and digital, but both have similar functions since they both use radio waves to transmit video.
Analog cameras work by modulating a carrier signal with the video data and transmitting it over a specific frequency band.
The frequency band used is usually either 900 MHz or 2.4 GHz and is regulated by the FCC.
There are many channels within these frequency bands, so the camera can broadcast on a specific channel without interfering with other devices using the same frequency.
Digital cameras are similar, but instead of modulating a carrier signal, they encode the video data into packets transmitted as discrete bursts.
It helps to reduce interference and improve image quality. Once the camera has transmitted the video, the receiver can pick it located somewhere within its range.
It could be an antenna on top of the camera that sends the signal to nearby receivers or a separate box that receives signals from multiple cameras.
In both cases, the video data is then sent to a computer where it can be viewed by an operator.
The range of wireless signal varies depending on many factors including obstructions between the transmitter and receiver as well as any other devices using the same frequency band.
Most cameras have a maximum distance of 1000 feet but can work at shorter ranges with a reduced quality.
At maximum broadcast power, they will usually only transmit up to 200 feet before degrading due to noise and interference from other electronic devices operating on the same frequencies.
As mentioned earlier, this article was created by Public Information and Records Access, a New York State government organization that provides information about state government affairs to the public.
How does a wireless CCTV camera work?
A wireless CCTV camera works similarly to any other wireless device that transmits data over radio waves.
The main difference with wireless cameras is that they transmit video instead of data or voice signals.
Like other devices, the camera first receives power from an AC outlet either through an electrical cord or plugged into a power strip with other devices.
After being converted from electrical current to DC, it is then turned into alternating current through its inverter board before entering the transmitter inside the actual camera’s housing.
Wireless CCTV camera transmits video signals
A wireless CCTV camera transmits video signals to a viewing device, such as a monitor or smartphone, without cables.
The signals transmit using radio frequencies (RF) that walls or objects can not block.
Most wireless CCTV cameras use either 2.4GHz or 5GHz RF signals to transmit video. 2.4GHz is the most common frequency and has a more extended range than 5GHz.
Still, it can be susceptible to interference from other devices that use this frequency, such as cordless phones and microwaves.5GHz is less prone to interference but has a shorter range.
Some wireless CCTV cameras use 900MHz signals to transmit video, which has a more extended range than 2.4GHz but shorter than 5GHz for this device.
Other expected frequencies used are 433MHz and 600MHz, smaller capacities than variants.
A wireless CCTV camera usually includes an antenna on the receiver end plugged into the viewing device (such as a monitor) via AV or USB ports.
It also requires AC power to operate through the AC outlet or with batteries; some models will allow you to switch between AC power and battery operation if needed, such as during installation or in case of emergency.