On November 29, 2021, ANATEL published two new Acts as below:
• Act 10002 – Updates the Act 3151 related to the technical requirements for Access Terminal Station (ETA = devices with WWAN function)
• Act 10003 – Updates the Act 3152 related to the technical requirements for Mobile Phone
To summarize it, the main changes are:
1) Inclusion of technical requirements for 5G NR Frequency Range 2 (FR2) – Standalone & Non-Standalone intra-band non contiguous
2) Inclusion of technical requirements for NB-IoT NB2
3) Update of the reference standards:

With the updated standards as shown above, currently there are new combinations of 4G and 5G dual connectivity (EN-DC combinations). Due to that reason, ANATEL defined 6 months counting from Nov 29th 2021 for all manufacturers to present the testing report for the new EN-DC combinations from devices approved before this act. "
Source:
1. Act 3151 official link (includes the Act 10002 updates):
https://informacoes.anatel.gov.br/legislacao/atos-de-certificacao-de-produtos/2020/1429-ato-3151
2. Act 3152 official link (includes the Act 10003 updates):
https://informacoes.anatel.gov.br/legislacao/atos-de-certificacao-de-produtos/2020/1430-ato-3152
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