Update Time:2026-01-15

CYBT-413061-02 Guide: The Long-Range Bluetooth 5.0 Dual-Mode Module

Technical guide to the Infineon CYBT-413061-02. Why this Bluetooth 5.0 Dual-Mode (CYW20719) module is the best choice for Long-Range Mesh and Audio applications.

Components & Parts

Infineon CYBT-413061-02 Module

Designing wireless products is hard. You have to deal with antenna matching, EMI shielding, and the nightmare of RF certification (FCC/CE).

For engineers building IoT devices, the Infineon (formerly Cypress) CYBT-413061-02 is the "Easy Button."

It is part of the EZ-BT™ WICED® family. Unlike simple BLE-only modules, this is a Dual-Mode powerhouse. It supports both Bluetooth Low Energy (BLE) for sensors and Classic Bluetooth (BR/EDR) for legacy connections or audio data.

This guide breaks down why this module is a favorite for smart home and industrial designs.

Table of Contents

1. What is the CYBT-413061-02?

The CYBT-413061-02 is a fully integrated Bluetooth 5.0 module.

  • Integrated: It contains the Bluetooth chip, crystal oscillators, passive components, power amplifiers, and the PCB trace antenna—all in a metal shield.
  • Certified: It comes with pre-certified FCC, ISED, MIC, and CE IDs. You simply solder it onto your board and use its ID, saving months of testing time.
  • Dual Mode: Most modern IoT chips are BLE only. The CYBT-413061-02 supports Basic Rate (BR) and Enhanced Data Rate (EDR). This allows it to connect to older phones or transmit higher data rate streams (like voice).

2. Technical Specs: The Power of CYW20719

Under the metal shield lies the CYW20719 silicon. This is not a "dumb" radio; it is a powerful MCU.

  • Processor: 96 MHz Arm® Cortex®-M4 with Floating Point Unit (FPU).
  • Memory: 1 MB Flash, 512 KB RAM. (Plenty of room for user application code without needing an external microcontroller).
  • Range: Up to 1 kilometer (Line of Sight).
    • Tx Power: +4 dBm.
    • Rx Sensitivity: -95.5 dBm (BLE).
  • Power Consumption:
    • Deep Sleep: 1 μA (Ideal for coin-cell battery devices).
    • Active Rx: 5.9 mA.

3. Hardware: Pinout & Footprint

The module uses a castellated pad design (24 pads), making it easy to solder by hand for prototyping or via SMT for mass production.

Key Interfaces:

  • UART: For HCI commands or debugging.
  • I2C / SPI: For connecting sensors (Temperature, Accelerometer).
  • PWM: 6 channels available (Great for controlling RGB LEDs in smart lighting).
  • ADC: Integrated Analog-to-Digital Converter for reading battery levels or analog sensors.

4. Software Ecosystem: ModusToolbox

How do you program this beast?

Historically, Cypress used WICED Studio. However, the modern workflow uses Infineon ModusToolbox™.

  • Eclipse-Based: A familiar IDE for developers.
  • Code Examples: The SDK comes with ready-to-use code for "Hello Sensor," "Bluetooth Mesh Dimmer," and "SPP (Serial Port Profile) Throughput."
  • OTA Support: The module supports Over-The-Air firmware updates out of the box, a critical feature for deploying IoT products in the field.

5. Key Applications (Mesh & Audio)

1. Bluetooth Mesh Networking

The CYBT-413061-02 is optimized for SIG Mesh.

  • In a smart building, you don't want every lightbulb trying to talk to the phone directly (range issues).
  • With Mesh, Light A talks to Light B, which talks to Light C. The Cortex-M4 processor inside this module handles the complex message relaying logic easily.

2. Voice Remote Controls

Because it supports BR/EDR, it can handle voice data transmission better than pure BLE chips. This makes it perfect for smart TV remotes with voice search functionality.

3. Industrial Serial Bridge

Replace that RS-232 cable. The module can act as a transparent UART-to-Bluetooth bridge, allowing a technician to configure an industrial machine wirelessly from a tablet.

6. Conclusion

The Infineon CYBT-413061-02 strikes a perfect balance. It is small enough for wearables, powerful enough for Mesh networking, and "Dual Mode" capable for legacy compatibility. For designers who want to skip the headache of RF certification and get straight to coding features, this module is the industry standard.

Sourcing Infineon Wireless Modules Need to prototype your next IoT device? Visit Aichiplink.com to check stock and volume pricing for the CYBT-413061-02 and its evaluation kits.

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Written by Jack Elliott from AIChipLink.

 

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Frequently Asked Questions

1. What is CYBT-413061-02?

It is a Bluetooth 5.0 dual-mode (BLE + BR/EDR) module from Infineon.

2. Which chip is used in CYBT-413061-02?

The module is based on the Infineon CYW20719 SoC.

3. Does CYBT-413061-02 support Bluetooth Mesh?

Yes, it fully supports Bluetooth SIG Mesh networking.

4. Is CYBT-413061-02 pre-certified?

Yes, it comes with FCC, CE, ISED, and MIC certifications.

5. Can CYBT-413061-02 run without an external MCU?

Yes, its Cortex-M4 MCU can run applications independently.