MDBT50Q-U512K MODULE BLUETOOTH BT5.1 & BT5 NRF52833 U.FL ANTENNA The MDBT50Q-U512K is a high-quality product offering MODULE BLUETOOTH BT5.1 & BT5 NRF52833 U.FL ANTENNA. With a shrink ratio of N/A and -40°C~+105°C operating temperature, it provides reliability in various applications.