<html><body>
<h2 dir="ltr" id="tag-2"><strong>What is a WiFi signal?</strong></h2>

<p dir="ltr">WiFi signals are a kind of electromagnetic (EM) wavelengths transmitted in the air called radio waves.</p>

<p dir="ltr">For this reason, radio frequency (RF) transmissions are another name for WiFi signals.</p>

<p dir="ltr">They are the electromagnetic spectrum's lowest frequency waves, which are invisible, the size of skyscrapers, and they move at almost the speed of light.</p>

<p dir="ltr">Nevertheless, because radio waves are non-directional, their motions resemble pond ripples rather than the laser beams in a Star Wars film.</p>

<p dir="ltr" style="text-align:center"><img alt="WiFi signal" src="http://gospeedcheck.com/filemanager/data-images/imgs/20240607/What%20Is%20a%20Good%20dBm%20for%20WiFi/What-is-a-good-dbm-for-wifi%20(2).jpg" style="height:400px; width:640px"></p>

<p dir="ltr" style="text-align:center"><em>WiFi signal</em></p>

<h2 dir="ltr" id="tag-12"><strong>What Is dBm WiFi? </strong></h2>

<p dir="ltr">dBm WiFi signal strength (decibels per milliwatt) refers to a specific measurement of power. </p>

<p dir="ltr">It is used to define the signal strength of radio frequencies in a wireless network. </p>

<p dir="ltr">dBm is a unit of measurement used to quantify very low values. Its formula is 10 x log dBm (signal strength per milliwatts). </p>

<p dir="ltr">Signal intensity is measured in decibels (dBm), the most precise measurement available.</p>

<p dir="ltr">Related: <a href="https://gospeedcheck.com/article/what-is-wifi-1061">What is WiFi</a>?</p>

<p dir="ltr" style="text-align:center"><img alt="The meaning of WiFi signal strength dBm" src="http://gospeedcheck.com/filemanager/data-images/imgs/20240607/What%20Is%20a%20Good%20dBm%20for%20WiFi/What-is-a-good-dbm-for-wifi%20(3).jpg" style="height:400px; width:640px"></p>

<p dir="ltr" style="text-align:center"><em>The meaning of WiFi signal strength dBm</em></p>

<h2 dir="ltr" id="tag-24"><strong>What Is a Good dBm for WiFi?</strong></h2>

<p dir="ltr">Wonder “what is good WiFi signal strength in dBm?”</p>

<p dir="ltr">Depending on your proximity to the access point, the optimal WiFi dBm signal strength ranges from -55 dBm to -70 dBm.</p>

<p dir="ltr">See this table for further information!</p>

<table class="table table-bordered"><tbody>
<tr>
<td>
			<p dir="ltr"><strong>Signal strength</strong></p>
			</td>
			<td>
			<p dir="ltr"><strong>Quality to expect</strong></p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-30 dBm</p>
			</td>
			<td>
			<p dir="ltr">Maximum signal strength, it is likely that you are standing directly in front of the router or access point.</p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-50 dBm</p>
			</td>
			<td>
			<p dir="ltr">Below this threshold, any signal strength is considered exceptional.</p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-60 dBm</p>
			</td>
			<td>
			<p dir="ltr">The signal strength is strong and consistent.</p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-67 dBm</p>
			</td>
			<td>
			<p dir="ltr">This is the minimal value for all services that need consistent and dependable data transmission.</p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-70 dBm</p>
			</td>
			<td>
			<p dir="ltr">While not extremely powerful, the signal is largely enough.</p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-80 dBm</p>
			</td>
			<td>
			<p dir="ltr">The very minimum needed to establish a connection. You cannot rely on a stable connection or strong enough signal to utilize services at this level.</p>
			</td>
		</tr>
<tr>
<td>
			<p dir="ltr">-90 dBm</p>
			</td>
			<td>
			<p dir="ltr">With this signal strength, it is highly unlikely that you will be able to connect or utilize any services.</p>
			</td>
		</tr>
</tbody></table>
<h2 dir="ltr" id="tag-73"><strong>How to Measure WiFi Signal Strength?</strong></h2>

<p dir="ltr">A WiFi signal may be measured in a number of ways. </p>

<p dir="ltr">Milliwatts (mW) is the most exact measurement, but due to the number of decimal places (0.0001 mW), it is also the most difficult to read. </p>

<p dir="ltr">Another alternative is the Received Signal Strength Indicator (RSSI), however, WiFi businesses handle it differently and on different scales.</p>

<p dir="ltr">These issues are avoided when measuring in decibels relative to milliwatts (dBm), and many manufacturers still convert RSSI to dBm.</p>

<p dir="ltr" style="text-align:center"><img alt="How to check your WiFi signal strength?" src="http://gospeedcheck.com/filemanager/data-images/imgs/20240607/What%20Is%20a%20Good%20dBm%20for%20WiFi/What-is-a-good-dbm-for-wifi%20(4).jpg" style="height:400px; width:640px"></p>

<p dir="ltr" style="text-align:center"><em>How to check your WiFi signal strength?</em></p>

<p dir="ltr">Negative values will be displayed for dBm readings, as the table above illustrates.</p>

<p dir="ltr">You have a "perfect connection," for instance, you are probably standing close to the WiFi router if you notice -30. </p>

<p dir="ltr">You may use the Airport Utility App for iPhone and iPad or WiFi Analyzer for Android to measure the strength of the WiFi signal on your phone or tablet. </p>

<p dir="ltr">Both are user-friendly and provide information regarding nearby wireless networks.</p>

<blockquote>
<p dir="ltr">Read more:</p>

<ul>
<li dir="ltr">
	<p dir="ltr"><strong><a href="https://gospeedcheck.com/article/what-is-a-wifi-adapter-for-pc-1052">What kind of wave is wifi</a><a href="https://gospeedcheck.com/article/what-kind-of-wave-is-wifi-1051">?</a></strong></p>
	</li>
	<li dir="ltr">
	<p dir="ltr"><strong><a href="https://gospeedcheck.com/article/what-is-wifi-7-what-are-the-superior-features-and-benefits-of-wifi-7-1050">What is a good wifi adapter for gaming</a>?</strong></p>
	</li>
</ul>
</blockquote>

<p dir="ltr" style="text-align:justify"> </p>
</body></html>