Still running analog CCTV? We break down the real differences in resolution, scalability, and total cost of ownership for Northern Indiana businesses.
The Technology Divide in Security Cameras
If you have an existing security camera system at your Northern Indiana business, there's a good chance it's analog CCTV — the technology that dominated commercial surveillance from the 1990s through the early 2010s. If you're evaluating a new system, you'll encounter both analog and IP camera options and quickly realize the price difference raises a question: what are you actually paying for with IP cameras?
This guide answers that question plainly.
What Is an Analog (CCTV) Camera System?
Analog cameras transmit a continuous video signal over coaxial cable to a Digital Video Recorder (DVR). The DVR converts the analog signal to digital, compresses it, and writes it to a hard drive.
Maximum resolution of modern HD-analog cameras: 4–8MP (HD-TVI, AHD, HD-CVI formats)
Maximum resolution of legacy analog cameras: 960H/D1 — roughly 0.4MP, equivalent to a security camera from 2005.
If your existing system uses legacy analog cameras, you're recording footage at less than 5% the resolution of a modern 4K IP camera.
What Is an IP Camera System?
IP cameras have an onboard processor that converts the image to a digital signal at the camera itself, then transmits it over an Ethernet (Cat6) cable to a Network Video Recorder (NVR) or directly to a Video Management System (VMS).
Standard resolution for new IP installations: 4K / 8MP (2160p)
Maximum resolution for current IP cameras: 12MP–32MP for specialty applications
The Key Differences
Resolution and Image Quality
This is the most important difference for most businesses. A 4K IP camera records at 8 megapixels — 8–20× more resolution than a legacy analog camera. That resolution difference determines whether footage is useful for identifying faces and license plates in an incident.
When a vehicle hits a car in your parking lot and drives away, the question is: can you read the plate in the footage? With legacy analog cameras at standard resolution, the answer is usually no. With 4K IP cameras positioned correctly, the answer is reliably yes.
Scalability
Adding cameras to an IP system means running a Cat6 cable and adding an IP address. Adding cameras to an analog system means running coaxial cable to specific DVR inputs — which are limited in number and not easily expanded.
IP systems can scale to hundreds of cameras on a single NVR platform with virtually no architectural changes.
PoE: Power Over Ethernet
IP cameras using Power over Ethernet (PoE) require only a single Cat6 cable for both power and data. No separate power run to each camera location. This simplifies installation and reduces the cost of adding cameras in the future.
Analog cameras require both a coaxial video cable and a separate power cable at each camera location.
Intelligent Features
AI analytics (license plate recognition, person detection, loitering alerts) require digital video processing at or near the camera — something that only IP cameras support natively. Analog cameras cannot support edge-based AI features.
Total Cost of Ownership
IP cameras have a higher upfront cost than comparable analog cameras. But the total cost of ownership over 7–10 years frequently favors IP systems:
- No coaxial cable cost (Cat6 is cheaper than RG59/RG6)
- No separate power run (PoE eliminates this cost entirely)
- Higher resolution means fewer cameras needed for the same effective coverage
- No expensive analog-to-digital conversion hardware
- No proprietary DVR replacement cost when upgrading
When to Keep Analog vs. When to Upgrade
Keep analog if:
- Your existing system is HD-analog (HD-TVI/CVI/AHD) at 4–8MP and less than 5 years old
- Your budget doesn't allow for a full IP upgrade right now
- A hybrid DVR can add IP cameras alongside your existing analog cameras as a phased approach
Upgrade to IP if:
- Your cameras are legacy analog with sub-1MP resolution
- You need facial or license plate recognition capability
- You want to add AI analytics features
- Your DVR is aging or has been repaired multiple times
- You're expanding and adding significant camera count
The Hybrid Approach
For businesses that want to extend the life of existing coaxial cable infrastructure while upgrading to IP capability, hybrid DVRs accept both analog and IP camera inputs on the same system. This allows a phased upgrade: replace the worst legacy cameras with IP cameras first, over one or two budget cycles, until the system is fully IP.
NexGen assesses existing camera systems as part of every free site survey. We'll tell you honestly whether your current system is worth keeping, whether a hybrid upgrade makes sense, or whether a full IP replacement is the right investment.
Questions? Call Us.
Call (574) 341-4444 or schedule a free consultation. We serve businesses throughout Northern Indiana from Plymouth and Wakarusa to Elkhart, South Bend, Warsaw, and beyond.