@startuml
skinparam rectangle{
    roundCorner 25
}

'Actor User
package PurePhone {
    screen -up- [MCU]
    keyboard - [MCU]
    [MCU] - [Modem]
    [Modem] - [Antena]
}
cloud Internet {
}

[Antena] <-> Internet


package "Mudita Server" {
 ["HTTP Server"] as HTTPd
}
Internet <-> HTTPd

@enduml