Dating satellite mobile phone
In 1917, Finnish inventor Eric Tigerstedt filed a patent for a "pocket-size folding telephone with a very thin carbon microphone".
Modern mobile telephone services use a cellular network architecture, and, therefore, mobile telephones are called cellular telephones or cell phones, in North America.
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.
Smartphones have a number of distinguishing features.
Ten years later, in 2001, the third generation (3G) was launched in Japan by NTT Do Co Mo on the WCDMA standard.
This was followed by 3.5G, 3G or turbo 3G enhancements based on the high-speed packet access (HSPA) family, allowing UMTS networks to have higher data transfer speeds and capacity.