Telink | TL321x Series

Bluetooth^®Mesh

Introduced in 2017, Bluetooth^® Mesh extends the capabilities of Bluetooth^® Low Energy (LE) to enable large-scale, multi-device networks and extended range via multi-hop messaging. As a pioneer in Bluetooth^® Mesh innovation, Telink has been delivering both proprietary and standards-based mesh connectivity solutions since 2015, empowering leading global manufacturers to deploy scalable, energy-efficient IoT systems across applications like smart lighting, asset tracking, and industrial automation.

TL321x Series

NEW

The TL321x series is a low-power SoC complies with the 802.15.4 standard and proprietary Bluetooth^® technologies operating in the 2.4GHz frequency band. The TL321x series seamlessly integrates the essential features and functionalities necessary for high-performance wireless IoT devices, ensuring excellent operational efficiency.

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Part Number	Type	Datasheet	Brochure	Bluetooth^® Protocol	MCU	SRAM	Flash	GPIO	Dimension (mm)	Buy
ML3219D-MERCURY-M0-PA11	Module			Bluetooth^® 5.4	RISC-V 32-bit	128KB	2MB	24	11.3x26x2.6mm

Software

Hardware

Software

Telink provides a complete SDK to help you develop and build IoT smart devices, which covers your entire product life cycle, from development to OTA maintenance. The Telink SDK always includes the latest technology protocols and provides secure and stable connectivity, which, combined with Telink IoT Studio integrated development tools, can help quickly achieve mass production.

Telink loT Studio

Telink loT Studio is an integrated development environment designed specifically for Telink chips. It supports firmware compilation, firmware download, and development debugging.

Windows

Linux

SDK Name	Supported Chip	SDK Version	Download SDK	SDK Handbook
Bluetooth^® LE Multi Connection	TL321x	V4.0.4.4	Github
Bluetooth^® Mesh	TL321x	V4.2.0.1	Github
Zigbee	TL321x	V3.7.1.4	Github
Zigbee + Bluetooth^® LE Concurrent Mode	TL321x	V2.4.1.0	Github
Matter	TL321x	-	Github
Platform	TL321x	V3.7.0	Github

Hardware

Provide complete hardware guideline and reference design to build various device forms based on the Telink hardware development platform.

Picture	Product Name	Description	User Manual	Design Guideline	Reference Design	Buy Now
	TL-EdgeAI-DK	The TL-EdgeAI-DK is a development platform specifically designed for Telink modules, supporting flexible integration of multiple types of modules. Telink provides users with a quick start guide to initiate the development process. The latest BDT is also required.	Download

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