ZT3L Reset & Teardown (FCC ID 2ANDL-ZT3L)

Before you buy the Tuya Global ZT3L, check what's inside.

The Tuya ZT3L is a low-power Zigbee module based on the TLSR8258F1KAT32 chipset. It is designed for embedded applications requiring Zigbee connectivity, operating within a voltage range of 1.8V to 3.6V, indicating it's typically battery-powered.

⚠️ NOTE: Ensure correct battery polarity.

Quick Specs

Manufacturer: Tuya Global
Model: ZT3L
Protocol: WiFi
Chipset: Realtek/Beken
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: TLSR8258F1KAT32
Flashable: ❌ No
Info: The TLSR8258F1KAT32 is a proprietary Tuya chip often locked down, making it difficult to flash custom firmware like Tasmota or ESPHome.

User Manual

Scanned pages from the official user manual:

ZT3L Manual

External Photos

Photos of the device exterior:

ZT3L Exterior

Internal Photos

Teardown photos showing the PCB and components:

ZT3L PCB

Verdict

The ZT3L is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

ZT3L Module Datasheet
Hardware Product Development > Cloud Module
Version: 20201126
Online Version
Contents
Contents
1 Product overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Change history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Module interfaces 3
2.1 Dimensions and package . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Pin deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Electrical parameters 9
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 9
3.2 Normal working conditions . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 TX and RX power consumption . . . . . . . . . . . . . . . . . . . . . 10
3.4 Working current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 RF parameters 11
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 TX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.3 RX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Antenna information 13
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 13
6 Packaging information and production instructions 14
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2 Side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.3 The schematic diagram of a packaging . . . . . . . . . . . . . . . . . 15
6.4 The diagram of PCB packaging-pin header . . . . . . . . . . . . . . . 15
6.5 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.6 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 19
6.7 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7 MOQ and packaging information 21
i
Contents
8 Appendix: Statement 21
ii
Contents
ZT3L is a low-power embedded Zigbee module that T uya has developed. It consists
of a highly integrated RF processing chip (TLSR8258F1KAT32), a few peripherals, a
built-in 802.15.4 PHY/MAC Zigbee network protocol stack, and rich library functions.
ZT3L is embedded with a low-power 32-bit CPU, 1-MB ﬂash program memory, a 64-
KB RAM, and abundant peripheral resources.
1 / 23
1 PRODUCT OVERVIEW
1 Product overview
ZT3L is a FreeRTOS platform that integrates all function libraries of the Zigbee MAC
and TCP/IP protocols. Y ou can develop embedded Zigbee products as required.
1.1 Features
• Embedded with low-power 32-bit CPU and ARM Cortex-M33 processor
• The clock rate: 48 MHz
• Wide working voltage: 1.8 to 3.6 V
• Peripherals: 9 general-purpose input/output (GPIO), 1 universal asynchronous
receiver/transmitter (UART), and 1 analog-to-digital converter (ADC)
• Zigbee connectivity
– Support 802.15.4 MAC/PHY
– Working channels 11 to 26 @2.400 to 2.483 GH...