EXHIBIT 4.3











English Language Summary



Authorization Agreement for Radiofrequency Blocks Associated
with Personal Mobile Service (Termo de Outorga de Autorização de Uso de Blocos de Radiofrequências Associadas
do Serviço Móvel Pessoal) No. 114/2016



|Parties:                                 | TIM Celular S.A., as Authorizee, and Agência Nacional de Telecomunicações (Anatel), as Grantor.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|---------------------------------------- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Date of Agreement:                       | July 26, 2016.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Date of Publication in Official Journal: | July 27, 2016.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Expiration:                              | July 27, 2031 (15 years).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Renewal:                                 | Authorizee has a one-time right to renew, for an equal period.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Purpose:                                 | Authorization to use blocks of radiofrequency associated with Personal Mobile Service, without exclusivity, in the following sub-bands: 2,500 to 2,510 MHz 2,620 to 2,630 MHz                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Area:                                    | Personal Mobile Service (SMP) Registration Area (AR) 41 (city of Curitiba, state of Paraná), limited to the municipalities of Almirante Tamandaré, Araucária, Campo Largo, Colombo, Curitiba, Itaperuçu, Pinhais, Piraquara, Quatro Barras and São José dos Pinhais.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Amount:                                  | The total amount due for the authorizations conferred by this
        Authorization Agreement, Authorization Agreement No. 114/2016 is R$24,500,000.00 (twenty four million reais), which will
        be payable as follows:
        
        ·    The
        total amount or 10% (ten percent) of the total amount shall be paid on the date of the signature of the Authorization Agreements,
        as adjusted for the IGP-DI at the effective date of payment; and
        
        ·    The
        remaining 90% (ninety percent) of the total amount shall be paid in six equal payments annually, commencing on the 36th (thirty-sixth)
        month from publication of the Authorization Agreements, as adjusted for the IGP-DI at the effective date of payment and, commencing
        12 (12) months from the date of delivery of certain compliance documents, accruing interest of 1.0% (one percent) per month.
        
        Additionally, every two years during the authorization period,
        the Authorizee must pay an amount corresponding to 2% (two percent) of its related revenues for the year preceding payment, net
        of taxes and social contributions. On the 15th year the Authorizee must pay 1% of its revenue for the previous year.
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Material Terms and Conditions:           | The Authorizee must strictly observe all relevant regulations in respect of the Authorization, including the installation, function and deactivation of related telecommunications stations.  In case of equivalent offers in contracting related to the Authorization Agreement, give preference to national content in the acquisition of its goods, products and technology systems.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Penalty:                                 | Failure to comply with the conditions and obligations in the Authorization Agreement will subject the Authorizee to sanctions established under Anatel regulations, without prejudice to civil and penal sanctions.