RN52-I/RM
Class 2 Bluetooth® v3.0 Audio Module, PCB Trace Antenna
- Manufacturer: MICROCHIP
- Product type: Bluetooth Modules & Adaptors
- Bluetooth Version:Bluetooth 3.0; Supply Voltage Min:1.8V; Supply Voltage Max:3.6V; Signal Range Max:10m; Data Rate:3Mbps; Bluetooth Class:Class 2; Receive Sensitivity:-85dBm; Operating
- SVHC: No SVHC (17-Jan-2023)
- Interfaces: I2S, SPI, UART
- Product Range: -
- Certifications: CE, FCC, IC
- Bluetooth Class: Class 2
- Bluetooth Version: Bluetooth 3.0
- Supply Voltage Range: 1.8V to 3.6V
- Receiver Sensitivity Rx: -85 dBm
- Operating Temperature Range: -40°C to +85°C
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 18.59 € |
| Current stock | 10+ |
| Lead time | 30 days |
- NET
- RN52 Bluetooth Audio Module **Fully Certified Bluetooth[®] Version 3.0 Module** WORNS Z
**PRODUCT BRIEF**
## **RN52-I/RM**
## **FEATURES**
- **Fully certified Bluetooth[®] version 3.0 audio module, fully compatible with Bluetooth version 2.1+EDR, 1.2, and 1.1**
- **Software configurable through commands over UART console interface**
- **Embedded Bluetooth stack profiles: SPP, A2DP, HFP/HSP, and AVRCP**
- **Supports iAP profile discovery for iPhone[®] and iPod[®] Bluetooth accessories**
- **Available as an A2DP audio source or sink**
- **Postage-stamp-sized form factor, 13.5 x 26 x 2.7mm**
- **Dual-channel, differential audio input and output for highest quality audio**
**Roving Networks’ RN52-I/RM Bluetooth audio module provides an integrated solution for delivering high-quality stereo audio in a small form factor. It combines a Class 2 Bluetooth radio with an embedded DSP processor, controlled and configured by simple ASCII commands and GPIO.**
It integrates RF, a baseband controller, and DSP, making it a complete Bluetooth audio wireless link. The RN52 supports HSP/HFP, A2DP, AVRCP, SPP, and iAP profiles and includes support for codecs such as SBC, aptX®, and AAC. It provides a UART interface, GPIO, stereo speaker outputs, stereo microphone inputs, and a USB port (see block diagram).
## **APPLICATIONS**
- Smartphone app streaming
- Wireless stereo speakers and headsets
- Automotive hands free audio
- Wireless audio docking station for smartphones
- Remote control for media player
- Intercom push-to-talk audio connection
- High-quality, 2-channel audio streaming
- **External audio codecs supported via I[2] S and S/PDIF interface**
- **Castellated SMT pads for easy and reliable PCB mounting**
- **Additional support for codecs such as aptX[®] , AAC, MP3, and others**
- **Environmentally friendly, RoHS compliant**
- **Certifications: FCC, IC, CE**
- **Bluetooth SIG certified**
RN52-I/RM-PB v. 1.0r 01/13
© 2013 Roving Networks. All rights reserved.
iPhone® and iPod® are registered trade marks of Apple, Inc. The aptX® mark and the aptX logo are trade marks of CSR plc or one of its group companies and may be registered in one or more jurisdictions.
RN52-I/RM Bluetooth Audio Module: Product Brief
**==> picture [239 x 391] intentionally omitted <==**
**----- Start of picture text -----**<br>
BLOCK<br>DIAGRAM<br>RN52-I/RM<br>2xLED PCB Antenna<br>Bluetooth 3.0<br>RF Baseband<br>Audio DSP<br>16-Bit Stereo<br>CODEC<br>SJ<br>UART 16-Bit RISC MCU PCM<br>USB 16-MBit Flash 11xPIO<br>SPI 1xAIO<br>+ :<br>-g: L_]<br>SPECIFICATIONS<br>Standard Bluetooth 3.0<br>Standard Profiles A2DP, AVRCP, SPP, HFP/HSP, iAP<br>Frequency 2.4 ~ 2.48 GHz<br>Modulation Method GFSK, PI/4-DQPSK, 8 DPSK<br>Maximum Data Rate 3 Mbps burst mode, 1.5 Mbps sustained<br>RF Input Impedance 50 ohms<br>Interface UART, USB, Bluetooth, GPIO<br>Operation Range Class 2: 10 meters (33 feet)<br>Sensitivity -85 dBm at 0.1 % BER<br>RF TX Power +4 dBm (typical)<br>MIC SPKR<br>MIC SPKR<br>**----- End of picture text -----**<br>
## **PHYSICAL DIMENSIONS**
**==> picture [239 x 139] intentionally omitted <==**
**----- Start of picture text -----**<br>
RN52-I/RM<br>Top View<br>26.0000<br>RF Shield<br>| - 2.7 mm<br>13.5000<br>**----- End of picture text -----**<br>
## **ORDERING INFORMATION**
|**Part Number**|**Description**|
|---|---|
|RN52-I/RM|Bluetooth 3.0 Class 2 surface mount audio module with PCB|
||trace antenna|
|RN52APL-I/RM|Bluetooth 3.0 Class 2 surface mount audio module with PCB|
||trace antenna, supports A2DP, SPP profiles with additional<br>support for iAP data communication|
|RN52APT-I/RM|Bluetooth 3.0 Class 2 surface mount audio module with|
||aptX™ codec (decode), PCB trace antenna|
|RN-52-EK|Evaluation kit for the RN52 audio Bluetooth module - includes|
||evaluation board, USB cable, and 2 USB mini-speakers|
**==> picture [411 x 234] intentionally omitted <==**
**----- Start of picture text -----**<br>
Volume Up<br>Previous Track<br>Differential Audio In/Out<br>Firmware Updates Status LEDs<br>Pause/Play<br>USB to UART Volume Down<br>(SPP & CMD Mode)<br>es co a ee a | in / ilel Next Track<br>GPIOs<br>Power-On /<br>Pairing Mode<br>@ mr: ARR ohn OD 2 © |<br>UART, PCM, I [2] S,<br>S/PDIF, GPIO Audio Out – 3.5mm TRR<br>Dual Channel<br>Audio Inputs Audio In – 3.5mm TRR<br>**----- End of picture text -----**<br>
## **EVALUATION KIT**
102 Cooper Court | Los Gatos, CA 95032 | +1 408 395-5300 **www.rovingnetworks.com**
Updated at April 28, 2026
Microchip Technology Inc. is a leading global provider of smart, connected, and secure embedded control solutions. Known for enabling engineers to design with confidence, the company delivers a comprehensive product portfolio that reduces total system costs and accelerates time to market across the industrial, automotive, communications, and computing sectors. Our extensive selection of Microchip components highlights the manufacturer's strength in both discrete semiconductors and advanced wireless connectivity. We carry a robust lineup of highly efficient single MOSFETs and Schottky diodes tailored for demanding power management and switching applications. Alongside these essential discretes, engineers can source a wide array of ready-to-use networking modules, prominently featuring Bluetooth and WLAN adapters that streamline the development of modern IoT and connected devices. Rounding out the offering is a diverse range of Microchip integrated circuits and specialized components. This includes versatile I/O expanders for simplified system integration, precision timing solutions such as MEMS oscillators and pulse generators, as well as AC/DC LED driver ICs and sub-2.4GHz RF transceivers. Backed by Microchip's renowned commitment to exceptional quality and reliable performance, these components provide scalable, dependable building blocks for complex electronic designs.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →