Security Camera Buying Guides & Resources
SFP vs RJ45 Uplink for PoE Camera Switches: Which Should You Use?
Use RJ45 for short copper runs inside a room or nearby rack. Use an SFP fiber path for longer building links, electrical isolation, outdoor transitions, or.
PoE vs PoE+ vs PoE++ for Security Cameras: A Buyer’s Power Guide
Choose the power class from each device’s maximum draw, not from camera resolution. Standard fixed cameras often fit af or at; heaters, illuminators for buyers.
When Should You Upgrade a Security Camera NVR? Seven Buying Signals
Upgrade when the recorder blocks a required outcome: unsupported cameras, insufficient channels or bandwidth, inadequate retention, failing drives, slow.
Turret vs Dome Security Cameras: Which Housing Fits Your Site?
Choose by environment and maintenance, not appearance alone. Turrets are easy to aim and resist internal IR reflection; domes offer a discreet for buyers.
How Many Security Cameras Does a Small Business Actually Need?
Estimate how many security cameras a small business needs by mapping entrances, transactions, inventory handoffs, exterior views, NVR capacity, and retention.
Chicago PoE Switch Buying Guide for CCTV Installers and Businesses
A Chicago-area PoE switch purchase should start with device count, per-port power, total budget, uplink path, rack environment, and outdoor-building links..
How Many TB for 16 4K Cameras Recording 30 Days? Worked Example
At an illustrative 8 Mbps per camera, sixteen cameras generate about 41.5 TB over thirty days before margin. At 4 Mbps, the same math is roughly 20.7 TB. Real.
How Much NVR Storage Do Security Cameras Need? A Practical Guide
Storage depends on average bitrate, camera count, recording hours, and retention days. Add all stream rates, convert bits to bytes, multiply by time, then add.