MDBT40-P256RV3 MODULE BLUETOOTH BT4.2 nRF51822 SOC PCB ANTEN 32KB The MDBT40-P256RV3 is a high-quality product offering MODULE BLUETOOTH BT4.2 nRF51822 SOC PCB ANTEN 32KB. With a shrink ratio of N/A and -40°C~+105°C operating temperature, it provides reliability in various applications.