Dating on mobile phone
Consequently, the industry began looking to data-optimized fourth-generation technologies, with the promise of speed improvements up to ten-fold over existing 3G technologies.The first two commercially available technologies billed as 4G were the Wi MAX standard, offered in North America by Sprint, and the LTE standard, first offered in Scandinavia by Telia Sonera.
Phones with restricted features are known as kosher phones and have rabbinical approval for use in Israel and elsewhere by observant Orthodox Jews.Several other countries then followed in the early to mid-1980s.These first-generation (1G) systems could support far more simultaneous calls but still used analog cellular technology.A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN).A handheld mobile radio telephone service was envisioned in the early stages of radio engineering.
In 1917, Finnish inventor Eric Tigerstedt filed a patent for a "pocket-size folding telephone with a very thin carbon microphone".
In 1983, the Dyna TAC 8000x was the first commercially available handheld mobile phone.
In 1991, the second-generation (2G) digital cellular technology was launched in Finland by Radiolinja on the GSM standard.
By contrast, smartphones generally use a mobile operating system that often shares common traits across devices.
There are Jewish orthodox religious restrictions which, by some interpretations, standard mobile telephones overstep.
The first commercial automated cellular network was launched in Japan by Nippon Telegraph and Telephone in 1979.