The Agencia Nacional de Telecomunicacoes (ANATEL), published Act Number 423 on January 12, 2022. It updates Act 14448 on the technical requirements for assessment of restricted radiation radiocommunication devices and this includes the new devices allowed in Brazil.

The following technical requirements are present in Act Number 423:

• Body Scanning Emitter-Sensor for Security Application operating in the 76–81 GHz band
• Interactive Motion Sensors installed in vehicles operating in the 57–64 GHz band
• Wireless Multigigabit System operating in the 57–66 GHz band in fixed applications
• UWB devices operating at 3100–3300 MHz and 3700–10600 MHz installed in vehicles
• 5150–5350 MHz devices installed inside vehicles and trains

The updated technical requirements of Act Number 423 are:

• requirements for 5GHz devices
• wireless multgigabit system
• the allowed frequency for UWB devices so they do not interfere with 5G NR devices operating in the n78 band

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