ESP32-H21HF4 Integrated Circuit Chip Ultra-Low-Power Wireless SoC With BT 5 And 802.15.4

ESP32-H21HF4 Integrated Circuit Chip Ultra-Low-Power Wireless SoC With BT 5 And 802.15.4

Product Description Of ESP32-H21HF4
ESP32-H21HF4 is a low-power wireless SoC designed for battery-operated IoT devices based on Thread, Zigbee, Matter and BT Low Energy. As an incremental evolution of the ESP32-H2 platform, ESP32-H21HF4 integrates an on-chip DC-DC converter to further reduce active power consumption, helping extend battery life in always-connected sensor and control applications. 

Features Of ESP32-H21HF4
Low-Power Wireless Connectivity
ESP32-H21HF4 integrates IEEE 802.15.4 and BT Low Energy in a single SoC, enabling Thread and Zigbee -based mesh networking, BT and BT mesh for scalable multi-node deployments, while also supporting low-power point-to-point communication. This makes it an ideal platform for Matter-over-Thread devices, Zigbee sensors, and BLE peripherals.

The addition of an on-chip DC-DC converter improves power efficiency during receive (RX) operation, which is particularly important for sensor nodes that spend long periods listening for network traffic or wake-up events.

Extended Range and Link Reliability
ESP32-H21HF4 supports up to 20 dBm transmit power, enabling improved wireless range and stronger link budgets in dense or interference-prone environments. This capability helps ensure reliable communication for distributed sensor networks and smart-home deployments without compromising power efficiency.

System Architecture and Peripherals
Built around a 32-bit RISC-V microcontroller, ESP32-H21HF4 provides efficient protocol handling and flexible system integration. A comprehensive set of peripherals enables developers to interface sensors, actuators, and user-interface components while maintaining a compact system design.

Software and Ecosystem Support
ESP32-H21HF4 is supported by ESP-IDF development framework, providing access to a mature SDK, development tools, and comprehensive documentation. The software support includes ESP-Matter SDK, enabling seamless development of Matter-over-Thread applications within the ESP-IDF environment. Developers can reuse existing ESP-IDF knowledge and components to accelerate development and reduce time-to-market. On the BT LE side, the SDK provides support for peripheral roles, advertising, and ESP-BLE-MESH, allowing developers to implement BLE-based networking solutions using the same unified software framework.

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FAQ

Q: Are your products original?

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Q:Which Certificates do you have?

A:We are ISO 9001:2015 Certified Company and member of ERAI.

Q:Can you support small quantity order or sample?Is the sample free?

A:Yes,we support sample order and small order.Sample cost is different according to your order or project.

Q:How to ship my order? Is it safe?

A:We use express to ship,such as DHL,Fedex,UPS,TNT,EMS.We can also use your suggested forwarder.Products will be in good packing and ensure the safety and we are responsible to product damage to your order.

Q:What about the lead time?

A:We can ship stock parts within 5 working days.If without stock,we will confirm lead time for you based on your order quantity.