Raytac's MDBT53 is a BT5.2 stack (Bluetooth® low energy or BLE) module designed based on Nordic nRF5340 SoC solution, which incorporates: GPIO, SPI, UART, TWI, I2C, PDM, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors.

• Nordic nRF5340 SoC Solution
• Dual-core Arm® Cortex® M33
• 1MB/256KB Flash Memory; 512kB/ 64kB RAM
• Bluetooth specification v5.2
• Supports Bluetooth Direction Finding & Mesh
• Supports Bluetooth low energy audio
• Certifications: FCC, IC, CE, Telec (MIC), KC, SRRC, NCC, RCM, WPC
• RoHS & Reach Compliant.
• Dimension: 9.3 x 14.3 x 1.85 mm
• 48 GPIO
• Chip Antenna
• Interfaces: SPI, UART, I2C, I2S, PWM, ADC, NFC, and USB
• Operating temperature: -40 to +105°C
• Highly flexible multiprotocol SoC ideally suited for Bluetooth® Low Energy, ANT+, Zigbee, Thread (802.15.4) ultra low-power wireless applications.
• A recommended 3rd-party module by Nordic Semiconductor.

• Datasheet