NSI Security Learning Center

Security News, CCTV Guides & Product Education

Learn about CCTV systems, IP cameras, NVR storage, PoE switches, remote viewing, NDAA-compliant equipment, AI video analytics, and practical security planning for business and property owners.

Read Guide CCTV Tips Security Storage Network Planning

Practical CCTV education from NSI Security.

Information Notice: Articles and guides are for general educational purposes only. Product specifications, compatibility, firmware, software features, laws, and security requirements may change. Please verify details before purchasing or designing a system.

Latest Articles Popular Guides Topics Tools Get Help

Featured Guide

How Much Storage Do Security Cameras Need?

Learn how camera resolution, bitrate, compression, recording schedule, and retention days affect hard drive size. Includes planning notes for 32MP cameras and remote viewing speed.

Open Storage Calculator

32MP

High-Res Planning

H.265

Smart Codec

PoE

Network Design

Upload

Remote Viewing

Security News

Latest CCTV & Security Articles

View All Articles →

CCTV Planning

How to Choose the Right Security Camera System

Learn the basic differences between camera resolution, lens type, NVR channels, storage, PoE switches, and remote viewing needs.

NSI Security Guide

Ask for Help →

Storage

How Many Days Can My NVR Record?

Storage depends on camera count, bitrate, resolution, frame rate, recording schedule, and hard drive size.

Storage Calculator Available

Use Calculator →

Compliance

What Does NDAA-Compliant Camera Mean?

A simple guide to understanding NDAA-compliant surveillance equipment and why some customers request it.

Product Guidance

Contact NSI →

Networking

PoE Switch Planning for IP Camera Systems

Learn why PoE budget, port speed, uplink speed, cable distance, and camera wattage matter.

Network Planning

View Switches →

Remote Viewing

Internet Upload Speed for Remote Viewing

Understand why upload speed at the camera location matters more than download speed for remote viewing.

Speed Checker Tool

Check Speed →

AI Cameras

AI Detection vs Basic Motion Detection

Learn the difference between basic motion recording and advanced AI detection such as people, vehicles, face, or license plate features.

AI Security Guide

View Cameras →

Browse by Topic

Security Topics We Can Cover

IP Cameras

Resolution, lens, night vision, WDR, AI detection, and mounting style.

NVR & Storage

Channel count, HDD capacity, recording days, and 24/7 vs motion recording.

Network & PoE

PoE budget, cable distance, uplink speed, switches, and remote viewing.

NDAA Options

Equipment selection for customers who request NDAA-compliant camera options.

Remote Viewing

Mobile app viewing, upload speed, sub-stream, P2P, VPN, and router settings.

AI Video Analytics

People, vehicle, face, license plate, line crossing, and intrusion detection.

Free Tools

Planning Tools for Customers & Installers

Storage & Network Calculator

Estimate storage size, camera bandwidth, remote viewing upload speed, and 32MP camera planning requirements.

Open Calculator

Remote Viewing Speed Checker

Check whether a customer’s upload speed is enough for remote camera viewing from mobile app or PC software.

Check Speed

Software Support Page

Find official software and support links for supported surveillance products, mobile apps, and remote support tools.

Open Software Page

Need a Guide for Your Project?

NSI Security can help explain camera selection, recorder sizing, storage planning, PoE switch selection, remote viewing setup, and accessories for your project.

Business Hours

NSI Security is available during regular business hours for product questions and security equipment guidance.

Monday–Friday: 9:00am–6:00pm Eastern Time
Phone: 856-317-0600

NSI Security

A real New Jersey security equipment supplier helping customers, dealers, and installers choose professional CCTV and network security products.

Learn About NSI Security →