Does Microwave Block Cell Phone Signal? (Explained)

A microwave oven is an indispensable appliance that homeowners purchase to bake and warm their food. 

However, this appliance also has a few drawbacks that can adversely affect effective communication.

But how’s this possible? On that note, does microwave block cell phone signal? 

Your Microwave blocks cell phone signals when you place your phone inside the oven. On the other hand, it doesn’t block cell phone signals if you’re using your phone in the kitchen while the microwave is inactive. However, it’s not advisable to use your phone in the kitchen while you’re using any electric appliance.  

Can a Microwave Prevent My Phone From Being Bugged? 

Does Microwave Block Cell Phone Signal

Are you tired of fraudsters invading your privacy every time? And are you looking for a permanent solution to end this dilemma? 

Well, the solution lies right in your home. Your microwave can prevent your phone from being bugged, preventing fraudulent activities. 

It might sound absurd, but your microwave has this powerful effect on mobile devices.

Your microwave simply blocks signals from reaching or leaving your cell phone. Normally your microwave forms a Faraday cage when baking or heating food. 

This Faraday cage enables your food to heat/bake properly and prevents the microwave from burning your hands. 

It also protects your phone from being bugged frequently. Microwave ovens usually utilize a wavelength of 2,400 MHz or 2.4 GHz

This wavelength is quite common among other routers in certain locations like a market.

Hence, the microwave blocks out these waves from leaving the oven. Furthermore, it blocks WiFi and other networks from reaching your phone.

However, this method is not 100% safe as anything could go wrong, which could adversely affect you. 

Alternatively, you can settle for a Faraday bag. The Faraday bag performs the same function as your microwave.

It’s safe, and you can keep your phone inside to prevent bugging. You can purchase the Faraday bag in a superstore/supermarket or a market.

Alternatively, you can place your order online from Amazon, eBay, or Walmart. 

You must be careful while placing your order online, as you could purchase the bag from the wrong sites. 

Always verify the website you want to purchase from before performing the transaction. You can choose to receive the item before you pay the delivery person. 

On the other hand, you can download apps from reliable online shopping platforms. You can easily check the item’s availability and place your order. 

Do You Need To Switch Off the Phone When Putting It In a Microwave? 

You don’t need to switch off your phone while putting it in the microwave.

However, you can turn it off to prevent any disturbance. Your microwave has a particular wavelength that prevents signals.

Well, if the wavelength of the other device is more than that of the microwave, it’ll still function properly. 

Let me explain vividly! Suppose your microwave has a wavelength of 2.45 GHz and that of your device is 3.25 GHz. 

Your microwave cannot block that device’s signals or the WiFi connection. Hence, your phone will receive messages and ring even if it’s in the microwave. 

Hence, you must ensure that the wavelength of your device is less than your microwave.

You can easily locate the wavelength of your microwave at the back or bottom. It also contains other crucial information about your microwave.

Nonetheless, if its wavelength is high, you can switch off your device and put it in your microwave oven. 

What are the pros and cons of putting your phone in your microwave? Let’s find out in the table below. 

Pros Cons 
It prevents bugging. It blocks cell phone signals. 
It prevents disturbances for a few hours. It prevents data connection and WiFi. 

Alternatively, you can put your phone on airplane mode to prevent disturbances. This method is highly effective and works with every Android and Apple phone. 

On the other hand, you can switch off the phone and put it in your wardrobe.

This way, you can easily access the phone when you want to use it instead of going to the kitchen. This method is also 100% safe as it prolongs battery life.  

Do You Need To Turn On Your Microwave To Block Phone Signals? 

You must turn on your microwave to block phone signals from reaching or leaving your phone. 

This will happen if you use your phone inside the kitchen while the microwave oven is active. 

However, using your phone in the kitchen while using a microwave or any other electric appliance is not advisable. 

On that note, don’t put your phone in the microwave while it’s active. This action harbors disastrous consequences that will forever affect and scar you

Now, what are these consequences? Below are some of them. 

#1. Explosion 

You are putting your phone in the microwave when its actions could cause more harm than good. 

When this happens, your phone begins to heat up, creating an awful burning smell and smoke in your kitchen. 

The smoke further aggravates the situation and starts a fire which leads to an explosion.

If the explosion is severe, it affects not only your kitchen but the entire house as well. 

Therefore, you’ll lose a lot of important household properties in the process.

Hence, it’s best to turn off your microwave if you want to keep your phone inside for a few hours. 

#2. Burns

This damage destroys the skin and causes low self-esteem. If you’re in the kitchen during the explosion, the burns might be severe and cause irreparable damage. 

However, the damage might not be severe if you are outside or in another part of your home. 

#3. Loss of Lives 

In the worst-case scenario, you might lose your life and the lives of other people in the house. This act causes far more damage than anyone can imagine.

Therefore, avoiding bringing your phone to the kitchen or near the microwave is best. 

Things You Should Not Put In the Microwave 

The microwave is an exceptional creation of modern technology that reduces the burden on many homeowners. 

However, some homeowners usually throw in anything inside the microwave. But is this the right thing to do? 

That said, what items shouldn’t you put in your microwave? Let’s find out below! 

#1. Aluminum Foil 

The last thing you want is a fire outbreak in your kitchen due to your microwave. Your microwave has microwaves or radio waves that emit electromagnetic energy. 

This electromagnetic energy heats your food. Hence, when you place aluminum foil in your oven, the microwaves usually reflect on the foil. 

This further leads to a spark that starts a fire inside the microwave oven. 

#2. Paper Bags

This item might appear harmless, but that’s far from it when it comes to your microwave.

Some paper bags contain toxins that could ignite when you put them in your microwave. 

#3. Plastic Containers/ Plastic Bags

Plastic containers and bags will burn when you put them in a preheated microwave.

When these plastic bags/containers burn, they release Bisphenol A, which threatens human health. 

You must also keep plastic cups, plates, and spoons away from your microwave. 


A microwave is a great choice to keep your phone safe from bugging and fraudulent activities. 

However, you must always turn off the microwave before you proceed. Alternatively, you can purchase a Faraday bag or keep your phone in airplane mode.

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