How A Cell Phone Work?

A microchip in the phone modulates (or varies) a radio wave using the electrical signal. The radio wave travels through the air to a nearby cell tower; the tower sends your voice to the person you are calling and the process is reversed so that the person on the other end can hear your voice.

What makes the cell phone work?

Cell phones

use radio waves to communicate

. Radio waves transport digitized voice or data in the form of oscillating electric and magnetic fields, called the electromagnetic field (EMF). The rate of oscillation is called frequency. Radio waves carry the information and travel in air at the speed of light.

How use mobile phone for beginners?

Do cell phones use microwaves?

Cell-phones, Wi-Fi, GPS, Bluetooth and many other technologies use microwaves

to enable much in modern life. It's worth getting to know them a little. Microwaves are a form of electromagnetic (EM) radiation: just like gamma rays, x-rays, ultraviolet radiation, visible light, infrared radiation and radio waves.

How do voices travel through phones?

When you speak into a landline phone, your voice travels

in small sound waves

. The sound waves are carried to a thin metal disk inside the phone, called a diaphragm, and are converted into electrical energy.

Can I have 2 phones on the same number?

Unfortunately,

you often cannot have multiple phones with the same number

. Many phone companies simply don't support it. One exception is a product called Verizon Number Share, which lets you receive calls on multiple devices, but it mostly supports wearable devices like smartwatches rather than additional phones.

What is a SIM card do?

This card

allows subscribers to use their mobile devices to receive calls, send SMS messages, or connect to mobile internet services

. The information in this article should apply to both iPhones and Android phones (no matter who made your Android phone: Samsung, Google, Huawei, Xiaomi, etc.).

What is the simplest smartphone for seniors?

• Jitterbug Flip2 : Easiest Phone Overall.
• Alcatel Go Flip 4 : Simplest Design.
• Jitterbug Smart3 : Easiest Smartphone.
• Apple iPhone SE : Best Voice Commands.
• Consumer Cellular Link II : Best Budget Option.

Do you have to have a Google account to use an Android phone?

Your Google account details (

you need to have a Google account to use an Android phone

)

How do you operate an Android phone?

How much radiation do cell phones emit?

The Federal Communications Commission (FCC) — which regulates cell phones, among other things, in the United States — has set radiation standards for cell phones at

1.6 watts per kilogram

averaged over 1 gram of tissue.

Where does the signal in your cell phone come from?

Whenever a cell phone is used, it emits

an electromagnetic radio wave, called a radio frequency, that is received by the nearest cell tower's antenna

. Once the cell tower receives this signal, it will transmit the signals to a switching center.

What is the speed of cell phone waves?

This sounds like a long and drawn out process, however the reason this process can happen so quickly is because these waves are traveling at the speed of light (

186,282 miles per second

).

What should you not do on the phone?

DON'T –

Shout or whisper

. Being overly loud or overly quiet can make a phone conversation very awkward and might mean you don't get all of the information to the person on the other end. Try and speak in a calm tone that will be easy to hear and understand. DO – Speak clearly.

How does a phone work without electricity?

And at the phone company office there is an extensive battery system, as well as a backup generator, to supply power during a power failure.

If the power goes out, the batteries and generators keep the office fully powered

. Therefore, all of the phones connected to the office are fully powered as well.

What do you do with old cell phones?

1. Repurpose it: Hack it, modify it, use it in a project.
2. Activate it: Pass it on or use it as an emergency phone.
3. Give it away: Plenty of charitable organizations would love to have it.
4. Sell it: Make a few bucks if it still has some life.
5. Recycle it: Find a reputable recycler.

Can I have a cell phone and landline with the same number?

In addition to moving landlines, the Federal Communications Commission says

you can also keep the same wireless number if you are switching service providers

. The agency's website has a consumer guide to taking your phone number with you.

Can someone have the same phone number as you?

Resendetra.

There is no possible way someone can have the same number as someone else

, at least not when it comes to GSM phones. Not unless this unknown person has cloned your SIM card, which is highly unlikely.

Why would a person have two phones?

Having two phones is

helpful if one of them runs out of battery or breaks

. Each phone can run through a different carrier, making it more likely to have a signal anywhere. They can also both work as additional data storage if the need arises. There are plenty of reasons to have two phones, but they do come at a price.

Can I just buy a phone and put my SIM card in it?

Remember

if the new handset is unlocked and the SIM fits you all be able to use it no problem

. So, if you need to keep the same number, there is no problem changing handset or even changing provider.

Are photos stored on a SIM card?

If you're the type of person who dreams of a world where you can save photos to a SIM card, you're probably not too big on saving pics to the cloud or taking up precious device memory on your phone. Good news:

If your Android phone has an SD card, you can save photos and videos directly to it

.

Can I buy a new phone and just switch the SIM card?

You can often switch your SIM card to a different phone, provided the phone is unlocked

(meaning, it is not tied to a particular carrier or device) and the new phone will accept the SIM card. All you need to do is remove the SIM from the phone it is in currently, then place it into the new unlocked phone.

What is the best phone for a 70 year old?

How can a senior citizen get a free cell phone?

1. Medicaid.
2. Supplemental Nutrition Assistance Program (Food Stamps or SNAP)
3. Supplemental Security Income (SSI)
4. Federal Public Housing Assistance (Section 8)
5. Low-Income Home Energy Assistance Program (LIHEAP)
6. Temporary Assistance to Needy Families (TANF)

What is the best smartphone for an older person?