In honor of the National Communications Day, celebrated on May 5, the Ministry of Communications opened on Monday (07/05) an exhibition that shows the technological evolution in the areas of telephony, sound, image and data transmission through of old and current equipment. Called “Communications in Brazil – Yesterday and Today”, the exhibition will be held in the ministry’s lobby, at the Esplanada dos Ministrios, in Brasilia.
The exhibition is divided into three themes. On the Telephony side, it is possible to know the first devices that were used for fixed telephony and the evolution that allowed the arrival of mobile telephony, passing through cell phones known as “bricks”, which do not even have the function of sending SMS, even smartphones. multitasking.
For example, a telegraph from the mid-19th century, a telephone exchange from 1917, telephone sets from the 1920s, typewriters and a telex device can also be seen. There are also models of current technologies such as tablets, smartphones, a digital radio device and cell phones for use in the 450 MHz band, which will serve rural and isolated areas. The exhibition also provides information about the inventions and how they have progressed to the current stage.
“The importance lies in recognizing the strategic activity of communications and, at the same time, illustrating this through the different instruments and the technological evolution that has allowed us to reach modern data and image transmission. A very important and fundamental public policy for society today “, commented the executive secretary of MiniCom, Cezar Alvarez.
The exhibition runs until the 18th of May, from Monday to Friday, from 8 am to 6 pm. Free entry.
About National Communications Day
The National Communications Day celebrated on May 5 in honor of the birth of the patron of communications in Brazil, Marshal Cndido Mariano da Silva Rondon, responsible for captaining from 1892 to 1916 missions that explored the country and installed telegraph lines in the most remote regions.