Microchip Technology

RN4871-I/RM140  

RF Transceiver Modules and Modems

RN4871-I/RM140 Description

The RN4871-I/RM140 from Microchip Technology is a compact, high-performance Bluetooth v5.0 RF transceiver module designed for seamless wireless communication in embedded systems. Operating in the 2.402GHz–2.48GHz frequency range, it integrates a chip antenna and supports GFSK modulation with a 10kbps data rate and 0dBm output power. The module is optimized for low-power applications, featuring a 1.9V–3.6V supply range and 13mA current consumption in both transmit and receive modes. Its surface-mount design and ROHS3 compliance make it suitable for modern, eco-conscious electronics manufacturing.

RN4871-I/RM140 Features

• Bluetooth v5.0 Compliance: Ensures compatibility with modern BLE devices and improved range/throughput.
• Multi-Interface Support: Includes UART, SPI, I2C, PWM, PIO, and AIO for flexible system integration.
• Low Power Operation: 13mA active current and wide voltage range (1.9V–3.6V) ideal for battery-powered IoT devices.
• Integrated Antenna: Eliminates external RF design complexity, reducing BOM and footprint.
• Industrial Robustness: MSL 1 (Unlimited) moisture sensitivity and REACH unaffected status ensure reliability in harsh environments.
• Compact & Programmable: Tray packaging and firmware configurability enable rapid deployment in custom applications.

RN4871-I/RM140 Applications

• IoT Edge Devices: Sensor nodes, wearables, and smart home gadgets benefit from its low power and small form factor.
• Industrial Automation: Reliable wireless communication for PLCs, HMIs, and remote monitoring systems.
• Medical Electronics: BLE connectivity for portable diagnostic equipment and patient monitoring.
• Consumer Electronics: Keyboards, toys, and audio peripherals leveraging plug-and-play Bluetooth.
• Asset Tracking: Combines low energy consumption with stable RF performance for logistics tags.

Conclusion of RN4871-I/RM140

The RN4871-I/RM140 stands out as a versatile, energy-efficient Bluetooth module tailored for embedded wireless solutions. Its integrated antenna, multi-protocol interfaces, and Bluetooth 5.0 support simplify design while ensuring interoperability. With Microchip’s reliability and compliance with ROHS3/REACH, it is a robust choice for IoT, industrial, and consumer applications demanding compact, low-power connectivity. Engineers will appreciate its balance of performance, ease of integration, and cost-effectiveness.

RN4871-I/RM140 Documents

Download datasheets and manufacturer documentation for RN4871-I/RM140

Datasheets :

RN4870,71 Datasheet      

PCN Design/Specification :

RN4870/71 Datasheet 14/Dec/2023       RN4870/71 Datasheet 31/May/2023      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH