Histopedia

The first mobile phone was demonstrated by Martin Cooper, an engineer at Motorola, on April 3, 1973.

First Mobile Phone Details:

1. Weight: 2.4 pounds (1.1 kg)
2. Length: 9 inches (23 cm)
3. Width: 5 inches (13 cm)
4. Thickness: 1.75 inches (4.5 cm)
5. Talk time: Approximately 30 minutes
6. Standby time: Up to 8 hours

Key Features:

1. Analog technology
2. Single-channel, frequency-division multiple access (FDMA)
3. 0.5 watts transmission power
4. Handheld device with antenna

Martin Cooper’s Historic Call:

Cooper made the first public call on a handheld mobile phone to Joel S. Engel, his rival at AT&T’s Bell Labs, saying: “Joel, this is Marty. I’m calling you from a cell phone.”

Evolution of Mobile Phones:

1. 1983: First commercial mobile phone, Motorola DynaTAC 8000X
2. 1991: First GSM (digital) mobile phone
3. 1996: First smartphone, Nokia 9000 Communicator
4. 2007: First iPhone, Apple Inc.
5. Present day: High-speed data, touchscreen, and AI-powered smartphones

Interesting Facts:

1. Cooper’s team developed the first mobile phone in just 90 days.
2. The first mobile phone call lasted around 3 minutes.
3. Mobile phones were initially nicknamed “brick phones” due to their shape.