The reason why it is called a Mobile Phone is because it is fitted on an Automobile. Back in 1946, the first mobile phone that is not connected a land line was invented.
Close -up of the phone. It has no dial, you pick up the phone, press the 'call' button and wait for the operator to connect you to the other party.
The Motorola phone is not exactly portable. The three main parts - the power supply unit, the receiver unit and the transmitter unit fill up most of the trunk space.