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Wi-Fi Channel Overlap Planner

· Last updated：2026-07-20

Plan 2.4, 5, and 6 GHz Wi-Fi channels from measured AP channels, widths, and RSSI, with overlap, DFS, and PSC warnings.

Details

What this tool helps you do

Enter one AP per line as name | band | channel | width MHz | RSSI | optional x | optional y. Recommendations use supplied RF observations and standard channel centers; physical placement advice is shown only when coordinates are present.

Execution

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Written by the Elysia Tools team

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category
Network
Input types
textarea, select
Output type
html
Sample coverage
4
API ready
Yes

Overview

The Wi-Fi Channel Overlap Planner helps network administrators and home users optimize wireless deployments across 2.4 GHz, 5 GHz, and 6 GHz bands. By analyzing access point configurations, channel widths, and signal strengths (RSSI), the tool identifies channel overlaps, flags DFS (Dynamic Frequency Selection) channels, and highlights Preferred Scanning Channels (PSC) to maximize network performance.

When to use

  • When setting up multiple access points in a home or office and experiencing slow speeds or dropped connections due to interference.
  • When configuring 5 GHz or 6 GHz networks and needing to verify DFS channel usage or PSC compliance for faster client discovery.
  • When auditing an existing wireless deployment to map channel overlaps and optimize channel width allocations.

How it works

  1. 1Input your access point details line-by-line, specifying the name, band (2.4, 5, or 6 GHz), channel, channel width in MHz, and RSSI, with optional X and Y coordinates.
  2. 2Select your regulatory region (US or EU) to ensure compliance with local channel allocations and DFS rules.
  3. 3Analyze the generated HTML report to view band-specific recommendations, overlap pairs, DFS/PSC warnings, and physical placement advice if coordinates were provided.

Use cases

  • Optimizing a multi-AP home network to eliminate 2.4 GHz channel overlap and configure non-overlapping 5 GHz channels.
  • Planning a high-density office Wi-Fi deployment using 6 GHz PSC channels to ensure fast client roaming and minimal interference.
  • Troubleshooting signal degradation in a warehouse by mapping AP coordinates and RSSI values to identify physical placement issues.

Examples

1. Resolving Home Wi-Fi Interference

Home Network Enthusiast

Background

A user has two access points in a large house experiencing frequent disconnects on the 2.4 GHz band.

Problem

The 2.4 GHz channels are overlapping, and the 5 GHz band is configured on a DFS channel without the user realizing it.

How to use

Enter the access point details for the living room and office, select the US region, and run the analysis.

Living room | 2.4 | 1 | 40 | -42
Office | 2.4 | 6 | 20 | -58
Main 5G | 5 | 100 | 80 | -55

Outcome

The tool flags that the Living Room AP at 40 MHz width overlaps with the Office AP on channel 6, and warns that the Main 5G AP is on a DFS channel (100).

2. Optimizing Office 6 GHz Deployment

IT Administrator

Background

An IT admin is deploying new 6 GHz access points in an office but clients are struggling to discover the SSID.

Problem

The access points might not be configured on Preferred Scanning Channels (PSC), causing slow discovery times.

How to use

Input the 6 GHz access point configurations with their channels and widths, selecting the US region.

FAQ

What is a DFS warning?

It indicates that the access point is operating on a Dynamic Frequency Selection channel, which may be subject to radar interference and temporary channel changes.

What does the 6 GHz PSC warning mean?

It flags whether your 6 GHz access point is using a Preferred Scanning Channel, which is critical for client devices to discover the network quickly.

How do I include physical placement in the analysis?

Add optional X and Y coordinates at the end of each access point line (e.g., AP Name | 5 | 36 | 80 | -50 | 10 | 15) to enable physical distance and placement advice.

Why does channel width matter for overlap?

Wider channels (like 40, 80, or 160 MHz) span multiple standard channels, increasing the likelihood of overlapping with neighboring access points.

Can I plan networks for both US and Europe?

Yes, you can select either the US or EU regulatory region to apply the correct channel limits and DFS rules for your location.

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Studio 6G | 6 | 5 | 80 | -38
Guest 6G | 6 | 37 | 20 | -76

Outcome

The planner identifies that the Guest 6G AP on channel 37 is not on a PSC channel, recommending a change to a PSC-compliant channel like 5 or 21.