How Does a Cell Phone Work? 📱
![](https://cdn.prod.website-files.com/649483ab799f610b8944934e/6629d87439f69f9797c619a2_Newsletter_Header_wSubtitle.png)
Morning iPhone!
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8227b7c0ed8910ded_1.gif)
Hang on.
The iPhone was more powerful than the computers used to land us on the moon…
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bda93dece8867e4fa07_2.webp)
In other words…
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd875c8baf17373473e_3.webp)
And that was iPhone 1.
We’re on 15.
So now that we’ve gotten that out of the way, how does a cell phone even work??
Well, imagine you’re calling a friend.
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd87a22329312efd4bf_4.webp)
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8fd6b86ddc3fab97d_5.webp)
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd828b12563598d2f4e_6.webp)
Stop. Look.
When you say ‘you’ into a phone,
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8ee354130f5eb172a_7.webp)
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8ba502135de4174dd_8.webp)
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd850e5e16d00d41875_9.webp)
The microphone inside captures your voice and converts it into something a machine can read:
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8960b4fc82cd3e280_10.webp)
Binary code – 1s and 0s.
Then it packages that code up into a radio wave:
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd82ad365552953b9b8_11.webp)
And shoots the radio wave out the antenna of your phone over to your friend!
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8227b7c0ed8910df1_12.webp)
Ya. Slight problem with that.
Your phone’s small antenna isn’t powerful enough to send your signal anywhere meaningfully far away.
So we need cell towers.
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8dfce68c5e8df1814_13.webp)
These beasts are set up in huge hexagons on Earth – the most efficient shape for boosting and sending circular signals without any gaps or overlaps.
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8d05e092baecfa9c3_14.webp)
So when your phone beams out your call to a nearby tower,
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd8d92ecbf0297bae6f_15.webp)
It gets passed from tower to tower,
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd873bb290d87b35202_16.webp)
Until it hits your destination!
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd894d67883639b01e6_17.webp)
![](https://cdn.prod.website-files.com/649aa49e57793ed61ecbd3fd/65b45bd827beaa7124cd5289_18.webp)
Stay Cute,
Henry & Dylan 🌈
If you’re that sexy friend, subscribe here.
![](https://cdn.prod.website-files.com/649483ab799f610b8944934e/6625db5adaf05fa2c88feff3_Newsletter_Footer-b.png)
Get smart about nonsense🌈
Join 30,000+ subscribers and get our daily comic explaining nerdy stuff like you’re 5.