Question 1

How do you determine how many cameras a site needs and where they should go?

Accepted Answer

Camera count and placement come out of a site survey, not a square-footage formula. During the survey, Diego Tech walks your property and identifies the specific vulnerabilities, such as entry and exit points, high-value storage areas, loading docks, blind corners and any areas where previous incidents have occurred. That assessment drives the camera placement plan, which is designed to eliminate coverage gaps rather than simply install a round number of cameras. A well-designed eight-camera system covering the actual risk areas will outperform a 20-camera system that was placed without a survey.

Question 2

What is the difference between NVR, DVR and cloud recording? When does each make sense?

Accepted Answer

DVR systems record from analog cameras over coaxial cable and are generally found in older installations. NVR systems record from IP cameras over network cabling and offer higher resolution, easier expansion and more flexible placement. Cloud recording stores footage off-site on remote servers, which means footage survives even if on-site equipment is stolen or destroyed, which is an important consideration for retail or commercial sites where theft of the recorder itself is a real risk. Hybrid approaches are increasingly common: a local NVR for fast access and high-volume storage paired with cloud backup for critical cameras. Diego Tech recommends the recording architecture based on your retention requirements, budget and how important off-site redundancy is to your operation.

Question 3

How long is footage retained, and what factors drive that decision?

Accepted Answer

Retention periods typically range from 7 to 90 days depending on storage capacity, camera count and resolution settings. Most commercial clients land between 30 and 60 days as a practical baseline, which is long enough to capture incidents that are reported after the fact, but not so long that storage costs become unreasonable. Some industries have specific requirements: government and institutional clients often specify 90-day minimums, while retail and hospitality clients may only need 30 days. Higher camera counts and higher resolutions consume more storage, so there is a direct relationship between image quality, retention length and storage cost. Diego Tech sizes the recording system to hit your required retention period at the resolution your cameras actually need.

Question 4

What camera features matter most for Arizona installations?

Accepted Answer

Operating temperature is the factor most commonly underestimated in Arizona. Exterior cameras in direct summer sun can reach internal temperatures well above 140 degrees Fahrenheit, and cameras not rated for those conditions fail earlier or perform poorly when it matters most. Wide dynamic range is important in Arizona environments because cameras frequently deal with harsh contrast, such as bright exterior sun against shaded building interiors, or glare off of reflective surfaces. Dust and particulate resistance is also relevant for agricultural, construction and desert-adjacent sites. Diego Tech specifies cameras that are rated for the actual operating conditions at each location rather than picking equipment designed for more temperate climates.

Question 5

What does real-time monitoring actually involve, and when is it worth it versus just recording?

Accepted Answer

Recording captures everything but is reactive: you review footage after an incident to understand what happened. Real-time monitoring means trained operators watch live feeds and can intervene while an event is occurring, whether by contacting law enforcement, triggering on-site deterrents or alerting your team. For most offices and low-risk commercial properties, recording with remote viewing access is sufficient. For sites with active theft exposure, such as construction yards, parking facilities, equipment storage or retail, proactive monitoring significantly improves the likelihood that an incident is interrupted rather than just documented. Diego Tech offers both approaches and can structure a monitoring agreement that fits the actual risk profile of your site.

Question 6

Can Diego Tech service or upgrade a camera system that was installed by another company?

Accepted Answer

Yes. Diego Tech services existing systems from most major manufacturers regardless of who installed them. The process starts with an assessment of what you have, including recording equipment, camera models, cabling and how the system is configured, so we understand what is worth keeping and what needs to be replaced or upgraded. Older analog systems can often be partially upgraded by converting to IP cameras while retaining existing cabling, which reduces the cost of a full replacement. If your current system is functional but undersupported or no longer meeting your coverage needs, we can work with what exists rather than starting over. Contact us to schedule a system assessment.

Surveillance Camera Systems (CCTV)

What Our Surveillance Camera Services Cover

System Design & Engineering

NVR and DVR Recording Systems

Cloud Video Recording

Real-Time Camera Monitoring

Remote Access & Mobile Viewing

Multi-Site Systems

Commercial Surveillance

Residential Surveillance

Frequently Asked Questions

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