Microchip RN42N-I/RM Bluetooth Chip 2.1 Class 2, 3V-3.6V Supply, 4dBm Output Power RN42N-I/RM

Microchip RN42N-I/RM Bluetooth Chip 2.1 Class 2 module is a fully qualified, compact embedded Bluetooth 2.1 + EDR device designed for reliable wireless communication at low power consumption. With a maximum output power of 4 dBm and operating at 2.48 GHz frequency, it delivers data rates up to 3 Mbps over its USB and UART interfaces. The module is ideal for industrial, communication, and embedded system applications where a small footprint and secure Bluetooth connectivity are essential.

It supports backward compatibility with earlier Bluetooth versions 2.0, 1.2, and 1.1, and includes profiles such as Serial Port Profile (SPP), Human Interface Device (HID), and Dial-Up Networking (DUN) to facilitate diverse use cases.

The RN42N-I/RM module incorporates an embedded Bluetooth stack supporting GAP, SDP, RFCOMM, and L2CAP protocols, enabling seamless integration into a variety of devices.

Designed for harsh environments, it operates reliably within a temperature range of -40°C to 85°C and requires a nominal power supply between 3 V and 3.6 V. Its compact form factor (19 mm x 13.4 mm x 2 mm) and castellated surface-mount pads allow easy PCB assembly.

The module features AES-128 encryption for enhanced data security and offers communication through serial UART with RTS/CTS flow control, ensuring stable host data handling. Low power consumption modes include 26 μA during sleep, 3 mA in connected mode, and 30 mA during transmission, optimizing battery life in portable applications.

Supports Bluetooth 2.1 + EDR for high-speed wireless communication. Multiple interface protocols: UART and USB (HCI only) for versatile integration. Embedded profiles include SPP, HID, and DUN that support various peripherals.

Compact and lightweight form factor suitable for embedded designs. Industrial temperature rated from -40°C to 85°C for reliable operation. Includes AES-128 encryption for secure wireless data transmission. Low power consumption design for efficient energy use in battery-powered devices.

Operates at frequency range 2.402 GHz to 2.480 GHz with 79 RF channels. Maximum output power of +4 dBm and receiver sensitivity of -80 dBm.

This module is widely used in industrial automation, embedded communications, wireless sensor networks, and consumer electronics requiring stable Bluetooth connectivity with secure and efficient data handling. Enhance your design with Microchip's RN42N-I/RM for proven performance in compact wireless applications.

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