Infineon’s CYW20822-P4TAI040: A Compact, Long-Range Bluetooth 5.0 Module for Power-Sensitive IoT Applications



CYW20822-P4TAI040 module

Infineon Unveils Ultra-Low-Power Bluetooth 5.0 Module with Onboard Antenna

Tiny Footprint, Giant Leap in Connectivity:

Infineon Technologies has taken a significant step forward in the realm of low-power wireless communication with the introduction of the CYW20822-P4TAI040, a Bluetooth 5.0 module that blends impressive range with exceptional size and efficiency. Ideal for a wide range of IoT applications, this module packs a punch, offering performance and features rarely seen in such a compact form factor.

Miniaturized Masterpiece:

Measuring a mere 20.2mm x 10.5mm x 2.3mm, the CYW20822-P4TAI040 integrates an antenna directly onto the module, eliminating the need for external antenna design and simplifying integration. This miniaturization is a boon for space-constrained devices, enabling developers to create sleek, compact IoT solutions.

Power Efficiency Champion:

But the CYW20822-P4TAI040’s strengths go beyond size. It excels in power efficiency, consuming a mere 1.3mA in receive mode (at -95dBm) and 3mA in transmit mode (at 0dBm). This impressive low power draw extends battery life and makes the module ideal for battery-powered IoT devices.

Extended Range, Reliable Connections:

Infineon doesn’t compromise on range with the CYW20822-P4TAI040. At maximum transmit power (+4dBm), it delivers a commendable 250m range, ensuring robust connections even in challenging environments. The module’s receiver sensitivity of -101dBm at 125kbit/s further enhances its ability to maintain connections over significant distances.

Global Ready:

Pre-certified to FCC, ISED, MIC, and CE regulations, the CYW20822-P4TAI040 is ready for seamless deployment worldwide, saving developers time and effort during regulatory compliance testing.

development board for CYW20822-P4TAI040 module

Versatility at its Core:

The CYW20822-P4TAI040 is not just a connectivity powerhouse; it’s also a versatile computing platform. An embedded 16MHz Arm Cortex-M0 MCU, coupled with 1MB of serial flash memory, provides ample processing power for a wide range of IoT applications. On-board peripherals like GPIOs, PWMs, UARTs, SPIs, I2Cs, and an ADC allow for direct connection to sensors and actuators, eliminating the need for external microcontrollers in many cases.

Future-Proof Design:

Over-the-air updates (OTA) ensure that the CYW20822-P4TAI040 stays up-to-date with the latest features and security patches, extending its useful life and protecting your IoT deployments.

Ideal Applications:

With its combination of small size, low power consumption, extended range, versatile processing capabilities, and global certifications, the CYW20822-P4TAI040 is a perfect fit for a plethora of IoT applications, including:

  • Industrial IoT: Sensor data monitoring, industrial automation, asset tracking
  • Smart Homes: Smart lighting, appliance control, security systems
  • Wearables: Fitness trackers, health monitoring devices
  • Medical Devices: Wireless communication in medical equipment
  • Building Automation: HVAC control, lighting control, access control

Key Features of the CYW20822-P4TAI040 Bluetooth 5.0 Module:

  • Ultra-low-power consumption: 1.3mA receiving (-95dBm), 3mA transmitting (0dBm)
  • Built-in antenna: Simplifies design and eliminates the need for an external antenna
  • Long range: Up to 250m at +4dBm transmit power
  • High receiver sensitivity: -101dBm at 125kbit/s, supports 500kbit/s, 1Mbit/s, and 2Mbit/s
  • Pre-certified: FCC, ISED, MIC, and CE regulations
  • Wide operating voltage: 1.1 to 3.3V
  • Wide operating temperature: -45 to +85°C
  • On-board peripherals: 8x 16bit PWMs, up to 12x GPIO, quadrature decoder, analogue comparator, 2x UART, 2x SPI, 2x I2C, and a 10bit ADC with one differential input or three single-ended inputs
  • Compact size: 20.2 x 10.5 x 2.3 mm
  • Internal processing: 16MHz Arm Cortex-M0 MCU with 1Mbyte of embedded serial flash
  • Over-the-air updates: Possible
  • On-board track antenna: 4.21dBi peak gain, 10dB minimum return loss


  • Industrial IoT
  • Smart homes
  • Asset tracking
  • Beacons
  • Sensors
  • Medical devices

Infineon CYW20822-P4TAI040 product page

CYW20822-P4TAI040 on Mouser


Infineon’s CYW20822-P4TAI040 represents a significant advancement in Bluetooth 5.0 module technology. Its compact size, low power consumption, extended range, versatility, and global certifications make it an ideal choice for developers seeking to create high-performance, power-efficient, and future-proof IoT solutions. For engineers working on space-constrained, battery-powered applications, the CYW20822-P4TAI040 is a compelling option that delivers exceptional performance without sacrificing size or efficiency.

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