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IP vs. Analog Security Cameras: Which Should Your Business Choose?
If your business still relies on a security camera system installed 10 or 15 years ago, you may already be familiar with its limitations: blurry footage, difficulty identifying faces or licence plates, limited storage, and complicated remote access.
For warehouses, commercial buildings, retail stores and industrial facilities, these limitations can affect security and day-to-day operations.
When upgrading an existing CCTV system, one of the biggest decisions is whether to replace everything with modern Internet Protocol (IP) cameras or upgrade the existing system while keeping some of the original cabling.
At ATA Technical Group, we help commercial and industrial customers evaluate electrical, security and data network requirements to find practical solutions for their facilities. The right camera system depends on your building, existing infrastructure, security requirements and future plans.
Understanding the Difference Between IP and Analog Cameras
Analog security camera systems traditionally connect cameras to a digital video recorder (DVR) using coaxial cable. Older analog cameras generally provide lower-resolution images, but modern HD analog technologies, including HD-TVI, HD-CVI and AHD, offer significantly improved image quality over compatible coaxial cabling.
IP security camera systems connect cameras to a network, usually through Ethernet cabling, and typically record through a network video recorder (NVR). Many IP cameras use Power over Ethernet (PoE), allowing one Ethernet cable to carry both power and data.
IP cameras encode video at the camera and may also provide advanced features such as motion detection, people and vehicle classification, and other video analytics, depending on the model.
IP vs. HD Analog: Side-by-Side Comparison
| Feature | HD Analog (DVR) | IP (NVR) |
| Cabling | Coaxial cable, usually with separate power | Ethernet cable, often with PoE |
| Image quality | HD and multi-megapixel options, depending on format and equipment | High-resolution options, including 4K and above |
| Smart features | Vary by camera and recorder; generally more limited | More advanced analytics available on supported models |
| Reusing existing cable | Often possible if coaxial cable is compatible and in good condition | Requires Ethernet cabling or compatible coax-to-IP adapters |
| Expansion | Limited by recorder compatibility and available inputs | Flexible network-based expansion, subject to bandwidth and equipment capacity |
| Cybersecurity | Network-connected DVRs and hybrid recorders still require security measures | Requires proper network configuration and device security |
| Best suited for | Cost-effective upgrades to existing coaxial systems | New installations and facilities requiring greater flexibility and advanced features |
Neither technology is automatically the right choice for every building. The best solution depends on your existing infrastructure, security objectives and available budget.
Option 1: Keep the Existing Coaxial Cable and Upgrade to HD Analog
If your commercial building already has extensive coaxial cabling in good condition, upgrading to HD analog cameras may be a practical and cost-effective option.
Modern HD analog cameras can deliver much clearer images than older traditional analog systems while allowing businesses to reuse compatible existing cable runs.
A compatible hybrid DVR may also support a combination of existing analog cameras and newer HD analog cameras, allowing the upgrade to happen in stages.
For example, a warehouse may initially upgrade its loading docks, entrances and parking areas while keeping less critical cameras operational.
Before recommending this approach, the existing coaxial cables, connectors, power supplies and recorder compatibility should be assessed.
Option 2: Upgrade to a Modern IP Camera System
For a new commercial building, major renovation or facility requiring advanced surveillance features, an IP camera system is often a better long-term solution.
IP systems offer greater flexibility, higher-resolution camera options and advanced analytics on supported equipment.
However, several technical considerations should be addressed during planning:
Ethernet cable distance: A standard copper Ethernet channel is limited to 100 metres (328 feet), including patch cables. Larger facilities may require additional switches, fibre-optic connections or other suitable network infrastructure.
PoE power capacity: Network switches must have sufficient total power capacity to support all connected cameras.
Network bandwidth: High-resolution cameras require adequate network capacity, particularly when multiple cameras record simultaneously.
Storage requirements: Camera resolution, frame rate, compression settings and retention requirements all affect recording storage.
Cybersecurity: Cameras, recorders and network equipment should be configured with strong passwords, updated firmware, restricted access and appropriate network security.
A properly designed IP surveillance system can provide a flexible foundation for future commercial security upgrades.
Option 3: Install IP Cameras Using Existing Coaxial Cable
Replacing all existing coaxial cabling can be expensive, particularly in large warehouses, older commercial buildings and facilities with finished ceilings or difficult cable routes.
In some situations, specialized Ethernet-over-coax adapters can allow compatible IP cameras to operate using existing coaxial infrastructure.
Depending on the equipment, these adapters can also provide power to cameras over the existing cable.
However, this approach is not suitable for every installation. Cable condition, distance, connector quality, bandwidth requirements, adapter compatibility and power capacity must all be considered.
For some businesses, this can be an effective way to modernize an existing surveillance system without replacing every cable.
An assessment of the existing infrastructure helps determine whether this approach is technically and financially worthwhile.
Worked Example: Upgrading a 16-Camera Warehouse Security System
The situation:
A 30,000-square-foot warehouse has 16 analog cameras connected to an older DVR. The footage is noisy and low resolution, making it difficult to identify people, vehicles and activities around important areas.
The business wants better security coverage without unnecessarily disrupting warehouse operations or replacing all existing infrastructure.
How we would approach the project:
Inspect the existing cabling. Assess each coaxial cable run, connectors and power supplies to determine whether the existing infrastructure can be reused.
Identify priority security areas. Loading docks, shipping and receiving areas, entrances, exits and parking lots may require higher-resolution cameras and carefully selected viewing angles.
Evaluate the upgrade options.
If the existing coaxial cabling is suitable and the budget is limited, upgrade to compatible HD analog cameras and a hybrid DVR.
If advanced analytics, higher resolution and future expansion are priorities, consider IP cameras with new Ethernet cabling in critical areas.
Where technically suitable, investigate Ethernet-over-coax adapters to reuse selected existing cable runs.
Plan recording storage and network capacity. Calculate the required storage based on camera count, resolution, frame rate, compression and the business’s desired retention period.
Coordinate installation around business operations. Plan the upgrade in phases to minimize disruption and maintain security coverage wherever practical during the transition.
The result is a surveillance upgrade based on the actual needs of the facility rather than automatically replacing everything.
Common Security Camera Installation Mistakes to Avoid
Choosing the right cameras is only one part of a successful commercial surveillance installation. The following mistakes can affect system performance, reliability and security.
Buying based on megapixels alone: Resolution is important, but lens selection, lighting, camera positioning and viewing distance also determine whether footage is useful for identifying people or vehicles.
Reusing damaged cabling: Corroded connectors, damaged coaxial cable and poor terminations can cause unstable signals and unreliable camera performance.
Leaving default passwords: Change default credentials, use strong unique passwords and restrict administrative access.
Ignoring cybersecurity: Keep camera firmware updated, secure remote access and avoid exposing camera systems directly to the internet unnecessarily.
Underestimating storage requirements: Higher resolution, frame rates and longer retention periods increase storage requirements.
Ignoring nighttime conditions: Evaluate lighting, infrared performance, reflections and visibility after dark.
Using unapproved electrical equipment: Electrical products used in regulated installations must have the appropriate Canadian certification or approval marks.
Overlooking privacy requirements: Businesses in British Columbia should consider their obligations under the Personal Information Protection Act (PIPA) when collecting video images of identifiable individuals. Surveillance should have a legitimate purpose, be limited to what is reasonably necessary, and include appropriate notice, access controls, secure storage and retention practices.
What Does a Commercial Security Camera Installation Involve?
A commercial CCTV project involves more than mounting cameras on walls or ceilings.
Depending on the system, the work may include:
Security camera selection and placement.
Structured cabling and data network installation.
Coaxial or Ethernet cable installation.
PoE switches and network equipment.
DVR and NVR installation and configuration.
Camera power requirements.
Recording storage and remote viewing configuration.
System testing and commissioning.
Some camera systems use low-voltage power supplied through PoE, while others may require separate power supplies or new electrical circuits.
Where new regulated electrical circuits or other regulated electrical work are required, the appropriate licensed electrical contractor, permits and Field Safety Representative (FSR) arrangements must be in place.
Coordinating the security, network and electrical requirements helps reduce installation complications and provides a more organized project from planning through completion.
Commercial Security Camera and CCTV Services by ATA Technical Group
ATA Technical Group is a commercial electrical and general contractor based in Coquitlam, British Columbia, serving businesses and commercial facilities throughout Greater Vancouver and the Lower Mainland.
Our services include commercial electrical installations, security and CCTV systems, data and network solutions, system upgrades and additional power requirements.
We understand that every commercial facility has different security, infrastructure and operational requirements. Our approach is to assess the existing system, understand your objectives and recommend a practical solution that fits your building and future needs.
Whether you are upgrading an older DVR system, installing new IP cameras or improving the security infrastructure of a warehouse or commercial property, ATA Technical Group can help coordinate the project.
Our team brings commercial electrical and technical experience, including Red Seal-certified electrical expertise, to support safe, reliable and professional project delivery.
Planning a security camera upgrade?
Request a free estimate from ATA Technical Group to discuss your existing CCTV system, camera installation requirements or commercial security upgrade.
You can also contact our team to discuss your project and arrange an assessment.
Frequently Asked Questions
Can I use my old analog cameras with new IP cameras?
In some cases, yes. A compatible hybrid DVR may support both existing analog cameras and newer IP cameras. Compatibility depends on the recorder, camera technology and manufacturer. Existing equipment should be checked before planning the upgrade.
Are IP security cameras always better than analog cameras?
Not necessarily. IP cameras offer greater flexibility, advanced analytics and higher-resolution options. However, if your existing coaxial cabling is in good condition and your security requirements are relatively straightforward, an HD analog upgrade may be more cost-effective.
How long should a commercial security system retain recorded footage?
The appropriate retention period depends on the business’s security objectives, operational needs, applicable privacy requirements and any relevant contractual or insurance obligations. Storage capacity should be calculated before installation.
Can I view my security cameras from my phone?
Most modern IP camera systems and many compatible DVR and hybrid systems support remote viewing through a mobile application. Secure configuration, strong passwords, updated firmware and appropriate network access controls are important.
Can I upgrade my existing CCTV system without replacing all the cables?
Often, yes. Depending on the existing cabling and equipment, you may be able to reuse coaxial cable with HD analog cameras, a compatible hybrid recorder or specialized Ethernet-over-coax adapters. A site assessment will help determine the best option.
Does ATA Technical Group install commercial security camera systems?
ATA Technical Group provides commercial security, CCTV, electrical and data network services. Contact our team to discuss your facility, existing infrastructure and installation requirements.