For all of products requiring audio and smart connectivity
NU-53 Most powerful security, Matter & Thread & Zigbee
# The optimal module for U.S. exports
# Powerful security, dual core
# BLE AUDIO
# Direction finding
# Matter
# Dual CPU (Arm M33 + Arm M4)
# 4 x TWI/SPI/UART+TWI/SPI/UART
# 48 GPIO
# -45 to 150 ℃