Microchip Technology Tariff Inquiry

RN41-I/RM

RN41-I/RM Description

The RN41-I/RM by Microchip Technology is a Class 1 Bluetooth v2.1 + EDR RF transceiver module designed for high-performance wireless communication. Operating in the 2.4GHz ISM band, it supports FHSS (Frequency Hopping Spread Spectrum) and GFSK (Gaussian Frequency Shift Keying) modulation, delivering a data rate of 300kbps with a robust 16dBm output power. The module integrates a chip antenna and features SPI, UART, and USB serial interfaces, making it versatile for embedded applications. With a 3V–3.6V supply range, it consumes 35mA (RX) and 65mA (TX), balancing power efficiency with reliable connectivity.

RN41-I/RM Features

• Bluetooth v2.1 + EDR: Enhanced data rate for faster transmission.
• Integrated Chip Antenna: Compact design with built-in RF components.
• Multi-Interface Support: SPI, UART, and USB for flexible integration.
• High Output Power (16dBm): Extended range for Class 1 Bluetooth devices.
• Low Power Consumption: Optimized for battery-operated systems.
• Industrial-Grade Firmware (v6.15): Stable performance with FHSS/GFSK modulation.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.

RN41-I/RM Applications

Ideal for industrial IoT, medical devices, and automotive telematics, the RN41-I/RM excels in scenarios requiring long-range Bluetooth connectivity and low-latency data transfer. Its surface-mount package suits space-constrained designs, while the 6.15 firmware ensures compatibility with legacy Bluetooth systems. Key use cases include:

• Wireless Sensor Networks: Reliable data aggregation in harsh environments.
• Remote Monitoring Systems: High-power transmission for extended coverage.
• Embedded Bluetooth Hosts: Seamless integration with microcontrollers via UART/SPI.

Conclusion of RN41-I/RM

The RN41-I/RM stands out for its Class 1 Bluetooth range, multi-interface flexibility, and industrial durability. While now obsolete, its high output power and proven firmware make it a viable choice for legacy upgrades or niche applications requiring robust wireless links. Engineers valuing reliability over cutting-edge features may still find it advantageous in specific deployments.