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ISP router (WiFi 4 / N, 2.4 GHz only)

This page describes a typical WiFi 4 box on this list, not your exact unit — ISPs rebrand the same handful of chipsets under many different model numbers. Check the sticker on the bottom of your router for its real model, and use the Channel Advisor directly once you have it.

Specs

Generation
WiFi 4
Bands
2.4 GHz
Transmit power (preset)
17 dBm
Antenna gain (preset)
2 dBi

Transmit power and antenna gain are informed presets, not datasheet values. Consumer WiFi vendors publish PHY rates, not conducted power, so these two figures come from a documented, deliberately conservative rule instead of a spec sheet — they exist to keep the Coverage Mapper and Channel Advisor honest, not to describe this exact unit down to the milliwatt.

Band capabilities

  • 2.4 GHzUp to about 100 Mbps at close range, real-world — well under the number printed on the box.

No 6 GHz radio on this model. 5 GHz is the fastest band it has.

Channel guidance

ISP router (WiFi 4 / N, 2.4 GHz only) (WiFi 4) — using the Conservative worldwide set channel rules.

For a typical household on this hardware, run through the exact same Channel Advisor logic every real visitor gets. Answer five questions yourself for guidance tuned to your own neighbours and country.

2.4 GHzRange band
6 channel20 MHz wide

A moderate amount of company on this band. 1/6/11 are the only channels that do not overlap each other; channel 6 is the middle one and is less crowded than the factory-default ends.

Use 20 MHz here no matter what your router offers: 40 MHz on 2.4 GHz eats two thirds of the band and leaves no clean channel for anyone, including you. The channel itself is an educated guess — we cannot scan your neighbours from a web page, so if the change does not help, try the other channels in the set. A real scan is what the desktop scanner is for.

These are recommendations, not measurements. The widths and the band advice are physics and hold everywhere. The channel numbers are an educated guess built from how many networks you told us you can see — we cannot scan your neighbours from a web page, because no browser is allowed to. If a change does not help, try the other channels in the same set; nothing here can damage anything, and every one of these settings is reversible.

How to change this on your ISP-issued router

How to change this on your ISP-issued router

Where to sign in: Usually printed on a sticker on the router itself, often 192.168.0.1 or 192.168.1.1

Menu names are shown as they appear in the router’s English interface — your router may show them in your own language.

  1. Find the sticker on the router: it normally carries the admin address and the default admin password (which is not the WiFi password).
  2. Open that address in a browser and sign in.
  3. Look for a menu called Wireless, WLAN, or Wi-Fi, then an Advanced or Expert sub-page — the channel controls are almost never on the first screen.
  4. Set Channel to the recommended channel for each band, and Channel Width / Bandwidth to the recommended width if the field exists.
  5. Save or Apply, and wait for the radios to restart.
  6. If the fields are missing entirely, see the note below before spending an evening looking for them.

Many ISP-issued routers are locked: the provider removes the channel and width controls from the firmware, and no amount of hunting will find them. If that is your situation you have two real options — ask the ISP to change the channel from their end, which they can usually do remotely, or ask for bridge / modem-only mode and put your own router behind it. Do not flash third-party firmware onto a leased router; it is normally a contract violation and it is always your money if it dies.

Menu names drift between firmware versions. If a label here does not match what you see, look for the nearest equivalent — the two fields you want are always called something close to “Channel” and “Channel Width” (or “Bandwidth”).

Placement notes

  • This model uses smaller internal antennas, so placement matters more than usual: keep it open, off the floor, and out of a cabinet.
  • Two radios, 2.4 and 5 GHz — put the router where 5 GHz can reach the rooms you actually use; 2.4 GHz will cover the rest of the home regardless.