A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9 0

Radio Communication

Telecommunication via radio waves.


There are agencies engaged in classifying the risk of a bank, a country, or an asset.


Radio Base station - equipment that uses radio to connect the telephone exchange and the cellular telephone.

Real Earnings

Set of gains obtained in an operation after discounting the losses with inflation.

Real Estate Fund

An investment fund set up in the form of a closed-end fund whose capital is intended for investments in real estate ventures. The shares of these funds, which cannot be redeemed, are registered with CVM and may be traded on the stock exchange or on the over-the-counter market.

Real Interest

This is the amount of the nominal interest minus the inflation rate for the period.

Real or R$

Brazil‘s currency.

Receipt of Subscription

Document that proves the exercise of subscription rights, which can be traded on stock exchanges.


Act of paying for a security (trade bill, promissory note, etc.) or receipt of an investment.

Region I

The geographic area that corresponds to the states of Rio de Janeiro, Minas Gerais, Espírito Santo, Bahia, Sergipe, Alagoas, Pernambuco, Paraíba, Rio Grande do Norte, Ceará, Piauí, Maranhão, Pará, Amazonas, Roraima and Amapá (save to 57 cities in the Triângulo Mineiro and the Alto Paranaíba in the state of Minas Gerais).

Region II

Geographic area corresponding to the Federal District and the states of Rio Grande do Sul, Santa Catarina, Paraná, Mato Grosso do Sul, Mato Grosso, Goiás, Tocantins, Rondônia and Acre (save for small areas in the states of Goiás, Mato Grosso do Sul and Paraná).

Region III

Geographic area corresponding to the territory of the state of São Paulo.

Region IV

Geographic area corresponding to all of Brazil.

Region or Regions

Area within Brazilian territory delimited by the PGO for the purposes of the circuit-switched fixed-line telephone services concession.


A set of rules or provisions established so that the laws are carried out, making effective the legislative determinations.

Relevant Fact

A fact that could influence the decisions of investors in the purchase or sale of securities issued by a company.

Remittance of Profits

Payment made for profits reached in one country to send abroad to a multinational company installed in another country.

Remote Access

The ability to connect to a network remotely.

Retained Earnings

This is part of the company‘s profit that is not divided among its stockholders and serves as a reserve for the company.

Revenue Generating Unit or RGU

Client that generates revenue in any of the services offered by Oi Fixo and/or Oi Móvele and/or Oi Velox and/or Oi TV. A single client who uses the four services creates four RGUs.


Acronym for "Receita Federal do Brasil", the internal revenue service of Brazil.

Rights Offering

When a company gives its stockholders the opportunity to buy new shares or debentures for a fixed price, usually below the current market price and within a relatively short time.


The possibility that things do not turn out as planned. Level of uncertainty of profitability (return) on an investment.


Having mobile phone connectivity through networks outside a given user’s registered local area. The network being accessed may or may not pertain to the mobile phone service provider with which the user is registered.