When researching security cameras, I know you will encounter the term “CCTV camera.” Today I will discuss what a CCTV system is, some of the benefits, and when to use it.
The main benefit of a Closed Circuit Television (CCTV) System is that the system has no access to the outside world. This is a benefit because a closed loop is more secure than internet protocol (IP), and Power over Ethernet (PoE) cameras. The only way to hack the information is to go to the loop. Usually, that means going to the digital video recorder (DVR) and taking the hardware. Another benefit of a CCTV is the ability to provide 24/7 recording.
Continue reading to see additional features and benefits of CCTV cameras
What is a CCTV system
As I’ve mentioned, a CCTV system is a closed system that can transmit 24/7 recording. This system usually has two wires: a wire for power and a wire for transmitting video. Usually, the wire for transmitting video is a coaxial cable. Due to the video being a coaxial cable the video is analog.
A closed CCTV system sends video to a digital video recorder. The DVR then saves the video to a type of storage. The storage can be a hard drive, flash drive, or SD card.
Who should use CCTV system
You should use a CCTV system if you have easy access to wall outlets, need the most security available, and the video quality doesn’t need to be perfect. CCTV systems are also good for passive monitoring, where you only need to review the camera if something happens
When to use a CCTV system
Good places to use CCTV systems include:
- Gas stations
- Automated Teller Machines
- Places that require passive monitoring (car dealerships)
- Large places that need monitoring (junkyards)
I think these are all good examples of CCTV uses for the following reasons
- Banks: sensitive information that should not be available over wireless or IP connection
- Gas stations: multiple cameras, sensitive data, not for public
- ATMs: sensitive data
- Car dealerships: used to catch criminals after a crime has taken place. also used to deter crime. Car dealerships are usually larger and require cable that can transmit data over a long distance.
Benefits of CCTV systems
There are a number of benefits to installing a CCTV system at home or at the office. These benefits include Higher security, 24/7 recording, cheaper per camera, upgradable, deter crime,
As I’ve mentioned, a CCTV system is more secure than a PoE or wireless internet protocol (WIP) camera. While PoE is more secure, it still transmits data over the internet. As we know, anything sent over the internet can be hacked. WIP is the least secure because all data is sent over a wireless signal.
Because these cameras are hardwired to a wall outlet, they have the ability to record continuously. The continuous recordings have a better chance of catching criminals in the act. Other camera types only record when motion is detected.
Also, CCTV camera systems are always sending data to the DVR. Other camera types only send short (10 – 30 second) clips to a network video
Cheaper per camera
You can purchase a quality 4 camera CCTV system for less than $500. To compare, a quality PoE 4 camera system begins at $500. A quality WIP camera may start at $150. In addition, you can add cameras to the system for an additional $100 per camera (depending on a number of factors).
CCTV systems are also cheaper because there isn’t an additional monthly fee. Some PoE and WIP camera systems charge to save recordings in the cloud. For example, Ring (my current camera) charges $10 dollars per month to store data in the cloud. Not all product lines require a monthly fee, but its something to be one the lookout for.
One of the biggest benefits of cameras in general is the fact that they deter crime. There have been a number of studies conducted in which they have proven that visible cameras deter crime significantly.
Disadvantages of CCTV system
One of the biggest drawbacks of CCTV systems is the physical hardware associated with the system. In addition to the cameras, you have wires, hard drives, and a DVR.
The concern with all of the physical hardware is all of the fault points. For example, wires can be cut, bitten by animals, or disrupted. DVRs can break, or be stolen. Also, hard drives can be removed, and eventually, they will be corrupted.
These fault points usually happen at the most critical of times.
While you don’t have to worry about paying for cloud storage, you will have to pay for additional hard drives. As you record more video, you will need to buy and replace the hard drives, or flash storage. You may have to purchase additional DVRs to increase your storage capabilities or to increase the number of cameras. Each DVR has a maximum number of cameras that can be connected to it.
Wired power connections
Another drawback is the need for a wired power connection. Most CCTV cameras need to be connected to a wall outlet. The drawback is you are constrained to the length of the power cord. Also this power cord can be visible and disabled.
Wired power connections also present a problem when power is lost. Unless you have your CCTV system and cameras connected to battery backup, you will not be able to record if you lose power. Of course
Lower quality video
Usually, CCTV systems provide a lower quality video. This is because of the coaxial connection. The coaxial connection is the cord that connects the camera to the DVR system. This
PoE and WIP systems sends digital videos. Because of the digital transmissions the videos are able to record in high definition. You can clearly see the difference between an analog and digital video signal.
One way audio
CCTV cameras do not include microphones. You must purchase an additional camera and attach it to the camera. In addition, there is a limited number of slots in the DVR for audio inputs.
Furthermore, CCTV systems do not have the ability to have two-way audio. Two-way audio is when you can communicate with people on the other side of the camera. This is a benefit because it can provide an additional layer of protection. Two-way audio is a standard for many of the WIP cameras that are available today.
No remote options
Another major concern is that you are not able to access the system remotely. The only way you can access video (live or recorded) is to go to the location of the CCTV system.
The only way to view recorded video is to download the video to another location (completer, flash drive), or move the recordings to the cloud. Having cloud storage can mean an additional cost.
Most PoE and WIP systems have the ability to view live and remote recordings out of the box. Many also feature apps that can connect directly to the system.
Other types of camera systems
The other types of camera systems discussed in this blog are Power over Ethernet (PoE), and Wireless Internet Protocol (WIP). Here is a brief description of each camera.
Power over Ethernet
PoE combines the benefits of CCTV and WIP camera systems. PoE cameras are powered through the ethernet connection to the network video recorder. This connection also transmits the digital video signal. Because of this connection, PoE offers more features than CCTV.
Wireless Internet Protocol
These cameras are 100 percent
To conclude there are another benefits to CCTV camera systems. The biggest benefit is that the system has no
Benefits of CCTV camera at home?
The benefits of a CCTV camera at home is that they can only be hacked by accessing the system.
Advantages of CCTV camera in public places?
The advantages of CCTV cameras in a public place include higher security, crime deterrence, continuous and passive recording and cost per camera.