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MH-M38 Industrial Bluetooth 5.0 BLE Module | Long Range & High Speed
The MH-M38 is an advanced industrial-grade Bluetooth 5.0 Low Energy (BLE) module built for superior performance in demanding wireless applications. It leverages the powerful Nordic nRF52840 chipset, which features an integrated ARM Cortex-M4F processor, offering both robust connectivity and substantial local processing power. With support for Bluetooth 5 features like 2Mbps PHY for high speed and Long Range mode for extended coverage, the MH-M38 is ideal for next-generation IoT, industrial automation, and complex sensor networks.
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Product Description :
The MH-M38 represents a significant leap forward in wireless module technology, combining the latest Bluetooth 5.0 specification with a capable application processor. This module is not just a communication link; its integrated ARM Cortex-M4F CPU with 1MB flash and 256KB RAM allows developers to run custom application code directly on the module, reducing the need for an external microcontroller.
Designed for industrial environments, it operates reliably across a wide voltage and temperature range. The module supports all key Bluetooth 5.0 advancements, including increased data throughput, longer range via coded PHY, and improved advertising capacity. With extensive I/O options including UART, SPI, I2C, PWM, and ADC, the MH-M38 offers unparalleled flexibility for connecting to sensors, displays, and other peripherals, making it a complete system-on-chip solution for sophisticated wireless products.
Key Features :
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Bluetooth 5.0 Certified: Supports 2Mbps, 1Mbps, and Long Range (Coded) PHY for speed and distance flexibility.
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Powerful Integrated Processor: ARM Cortex-M4F CPU running at 64 MHz, with 1MB Flash and 256KB RAM.
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Industrial Operating Specs: Wide voltage input (1.7V to 5.5V) and temperature range (-40°C to +85°C).
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Comprehensive I/O Interface: Multiple interfaces including UART, SPI, I2C, PWM, and ADC.
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Exceptional Range: High sensitivity (-95 dBm at 1Mbps, -103 dBm in Long Range mode) for reliable long-distance links.
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Ultra-Low Power Consumption: Supports multiple low-power modes for battery-operated applications.
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Integrated NFC-A Tag: Allows for easy "tap-to-pair" functionality with compatible devices.
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Hardware Security: ARM TrustZone CryptoCell co-processor for enhanced cryptographic security.
Applications :
The MH-M38 is engineered for advanced and demanding applications, including:
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Industrial IoT (IIoT) Sensor Hubs and Gateways
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Advanced Wearable Health and Fitness Monitors
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Smart Building and Factory Automation
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High-Performance Remote Controls
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Complex Mesh Networking Applications (with custom firmware)
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Asset Tracking and Management Systems
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Professional Data Logging Equipment
Technical Specifications :
Category Specification Bluetooth Version 5.0 BLE (Bluetooth Low Energy) Core Chipset Nordic nRF52840 (QFN48, 6x6mm) CPU 32-bit ARM Cortex-M4F with FPU (64 MHz) Flash Memory 1 MB RAM 256 KB Supported PHY LE 1M, LE 2M, LE Coded (Long Range) TX Power -20 dBm to +8 dBm (programmable) RX Sensitivity -95 dBm (LE 1M), -103 dBm (LE Coded) Supply Voltage 1.7 V to 5.5 V DC Operating Temperature -40°C to +85°C Interfaces UART, SPI, I2C, PWM, ADC (12-bit), NFC-A, USB Antenna Options Integrated PCB Antenna or IPEX Connector Security ARM CryptoCell 310 Dimensions 15.6mm x 24.5mm x 2.4mm -
