1981 ⟶ Comvik Launches Unlicensed Commercial Cellular System
Comvik, a Swedish telecommunications company, launched the f...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)⟶

BatteryElectricityEnergyIndustrial Revolution

📱 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.⟶

TelecommunicationsCellular TechnologyWireless CommunicationMobile PhonesTechnology History

📱 Televerket Launches Nordic Mobile Telephone (NMT) System
Televerket, a Swedish state-owned corporation, launched the Nordic Mobile Telephone (NMT) system.⟶

TelecommunicationsMobile PhonesCommunication




📡 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.⟶

Wireless CommunicationMobile TechnologyTelecommunicationsNetworkingDigital Revolution
