1981Comvik Launches Unlicensed Commercial Cellular System

Comvik, a Swedish telecommunications company, launched the f...
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Year
1899
1981
1991
1994

🔋 Waldemar Jungner Invents Rechargeable Batteries

Waldemar Jungner invents the rechargeable nickel-cadmium battery (NiCd) as well as the nickel-iron electric storage battery (NiFe) and the rechargeable alkaline silver-cadmium battery (AgCd)
Waldemar Jungner Invents Rechargeable Batteries (1899)
BatteryElectricityEnergyIndustrial Revolution
SwedenSweden

📱 Comvik Launches Unlicensed Commercial Cellular System

Comvik, a Swedish telecommunications company, launched the first commercial automatic cellular system. However, according to the Swedish Post and Telecom Authority, the company launched an unlicensed automatic system. Comvik didn’t receive a license to operate until December 1981, two months after the NMT system was launched.
Comvik Launches Unlicensed Commercial Cellular System (1981)
TelecommunicationsCellular TechnologyWireless CommunicationMobile PhonesTechnology History
SwedenSweden

📱 Televerket Launches Nordic Mobile Telephone (NMT) System

Televerket, a Swedish state-owned corporation, launched the Nordic Mobile Telephone (NMT) system.
Televerket Launches Nordic Mobile Telephone (NMT) System (1981)
TelecommunicationsMobile PhonesCommunication
SwedenSwedenNorwayNorwayDenmarkDenmarkFinlandFinland

📞 First GSM Telephone Call

The world's first GSM telephone call is made in Finland.
First GSM Telephone Call (1991)
TelecommunicationsMobile PhonesWireless CommunicationDigital Revolution
FinlandFinland

📡 Ericsson Mobile Develops First Generation of Bluetooth

First generation of Bluetooth is developed by Ericsson Mobile. A form of data communication on short distances between electronic devices.
Ericsson Mobile Develops First Generation of Bluetooth (1994)
Wireless CommunicationMobile TechnologyTelecommunicationsNetworkingDigital Revolution
SwedenSweden