Security Camera Buying Guides & Resources
2.8mm vs 4mm Security Camera Lens: The Tradeoff Before You Buy
A 2.8mm lens usually covers a wider area; a 4mm lens narrows the view and places more pixels on a smaller target zone. Choose from required detail at a.
How to Plan Retail Store Camera Coverage Before You Buy Equipment
Build retail coverage around transactions and movement: entrances, POS approaches, high-value aisles, receiving, stockroom doors, and safe routes. Give each.
Commercial Security Camera Upgrade Checklist for Existing Systems
Upgrade from evidence gaps, not from age alone. Audit failed views, image usefulness, retention, recorder health, network capacity, cybersecurity, remote.
How to Choose a PoE Switch for a 16-Camera System Before Buying
For sixteen cameras, start with at least sixteen powered ports plus separate uplinks, then verify total PoE budget, per-port class, uplink capacity, rack fit.
How Many Cameras Can an NVR Support? Channels Are Only the Start
The advertised channel count is the ceiling, not a promise that every camera can run at maximum settings. Incoming bandwidth, supported resolution, codec.
How to Design a 16-Camera Commercial Surveillance System That Can Grow
Assign all sixteen views before choosing hardware. Balance overview, identification, choke-point, and operational cameras; then size PoE, incoming bandwidth.
Can You Connect an NVR to a PoE Switch? Correct Network Layouts
Yes. Put cameras on the PoE device ports, connect an uplink to the LAN or recorder network, and add cameras to the NVR by reachable IP address. Keep for buyers.
Where to Buy Professional Security Cameras and NVRs Near Chicago
Buy from a seller that can verify model-level compatibility, explain warranty and return terms, and help match lens, recorder, PoE, and storage—not just ship.