DA14531 SmartBond TINY™ Module Renesas / Dialog DA14531 SmartBond TINY™ Module is specifically optimized to significantly reduce the cost of adding BLUETOOTH® low energy functionality to an IoT system. The hand solderable stamp type module measures 12.5mm x 14.5mm x 2.8mm in size and offers 9 GPIOs and an integrated antenna. All external components, including passives, XTAL, antenna, and FLASH memory, are integrated into this module so that users don't need to source individual components separately. The DA14531 SmartBond TINY module is effectively futureproofed due to a combination of Bluetooth 5.1 compliance and support for over-the-air software updates.