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MDBT42-512KV2 nRF52832 Bluetooth 5.4 Module | Ultra-Compact BLE Solution
The MDBT42-512KV2 is an ultra-compact Bluetooth 5.4 module based on Nordic Semiconductor's nRF52832 system-on-chip, delivering advanced wireless connectivity in a minimal 8.8 × 13.8 mm footprint. As an officially recommended third-party module by Nordic Semiconductor, it combines robust Bluetooth 5.4 certification with comprehensive global regulatory approvals. Featuring an ARM Cortex-M4F processor, 512 kB Flash memory, and integrated chip antenna, this module provides a complete, production-ready wireless solution for space-constrained IoT applications requiring reliable Bluetooth Low Energy connectivity across consumer, medical, and industrial markets.
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Product Description :
The MDBT42-512KV2 from Raytac Corporation represents a highly integrated Bluetooth Low Energy module that minimizes design complexity while maximizing performance. Built around the nRF52832 SoC (Revision 2), this module incorporates all necessary RF components including balun, crystal oscillator, and chip antenna in an exceptionally compact form factor. With comprehensive certifications including FCC, IC, CE, and regional approvals across major markets, the module significantly reduces time-to-market for global product launches. The combination of 64 kB RAM, 32 programmable GPIOs, and extensive peripheral interfaces enables sophisticated applications while maintaining ultra-low power consumption from a 1.7V to 3.6V supply, making it ideal for coin cell battery operation in wearable and portable devices.
Features :
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Advanced Bluetooth: Bluetooth 5.4 certified with full backward compatibility to BT4.2
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Ultra-Compact Design: Minimal 8.8 × 13.8 × 1.8 mm footprint with integrated chip antenna
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High-Efficiency Processing: 64 MHz ARM Cortex-M4F processor with floating point unit
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Substantial Memory: 512 kB Flash memory and 64 kB RAM for complex applications
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Global Certifications: FCC, IC, CE, Telec, KC, SRRC, NCC, UKCA pre-certified
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Power Efficiency: Optimized for battery operation with 1.7V-3.6V supply range
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Rich Connectivity: 32 GPIOs with SPI, UART, I2C, I2S, PWM, ADC, and NFC interfaces
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Security Features: 128-bit AES ECB/CCM/AAR hardware encryption co-processor
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Audio Capabilities: I2S interface and PDM for digital microphone support
Applications :
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Wearable Devices: Fitness trackers, smart watches, medical wearables
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IoT Sensors: Environmental monitors, smart home sensors, agricultural sensors
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Consumer Electronics: Wireless accessories, remote controls, smart toys
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Medical Devices: Patient monitoring equipment, portable medical sensors
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Asset Tracking: Item finders, inventory management, logistics tracking
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Proximity Solutions: Beacon applications, location-based services
Technical Specifications :
Category Specification Module Model MDBT42-512KV2 Bluetooth Version 5.4 Certified (Backward compatible to BT4.2) MCU Core ARM Cortex-M4F @ 64 MHz Memory 512 kB Flash, 64 kB RAM RF Performance TX: +4 dBm, RX: -96 dBm sensitivity Current Consumption TX: 7.5 mA (@+4 dBm), RX: 5.4 mA Power Supply 1.7 V to 3.6 V Operating Temperature -40°C to +85°C Dimensions 8.8 × 13.8 × 1.8 mm Antenna Integrated Chip Antenna GPIO 32 programmable pins (8 analog inputs) Interfaces SPI (3 master/3 slave), I2C (2 master/2 slave), UART, I2S, PDM, PWM, ADC, NFC ADC Resolution 12-bit, 200 kSPS Security 128-bit AES ECB/CCM/AAR co-processor Certifications FCC, IC, CE, Telec, KC, SRRC, NCC, UKCA
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