WRD3L Reset & Teardown (FCC ID 2ANDL-WRD3L)
Factory reset and internal photos for Tuya Global WRD3L. Tuya / Smart Life smart plug.
January 15, 2026
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1 min read
Before you buy the Tuya Global WRD3L, check what's inside.
The WRD3L is a low-power embedded Wi-Fi module developed by Tuya, featuring an RDA5981BM RF chip and an Arm Cortex-M4 CPU. It is designed for integrating Wi-Fi connectivity into various smart home and industrial applications.
⚠️ NOTE: Module requires careful integration with an appropriate external power supply (3.0-3.6V) and handling to avoid electrostatic discharge.
Quick Specs
- Manufacturer: Tuya Global
- Model: WRD3L
- Protocol: WiFi
- Chipset: Realtek/Beken
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: RDA5981BM
- Flashable: ❌ No
- Info: The RDA5981BM is a proprietary Tuya chipset often integrated into modules where direct flashing of custom firmware like Tasmota is not supported without significant hardware modification or proprietary tools.
User Manual
Scanned pages from the official user manual:
External Photos
Photos of the device exterior:
Internal Photos
Teardown photos showing the PCB and components:
Verdict
The WRD3L is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
WRD3L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 1 V2.0.1
1 Product Overview
WRD3L is a low-power embedded Wi-Fi module that Tuya has developed. It consists of a
highly integrated RF chip (RDA5981BM) and several peripheral components, with an
embedded Wi-Fi network protocol stack and robust library functions. WRD3L is
embedded with a low-power Arm Cortex-M4 CPU, 2 MB flash memory, and 448 KB static
random-access memory (SRAM), and has extensive peripherals.
WRD3L is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and
TCP/IP protocols. You can develop embedded Wi-Fi products as required.
1.1 Features
Embedded low-power CPU, which can also function as an application processor
⚫ Dominant frequency: up to 160 MHz
Working voltage: 3.0 V to 3.6 V
Peripherals: nine GPIOs, one universal asynchronous receiver/transmitter (UART),
and one analog-to-digital converter (ADC)
Wi-Fi connectivity
⚫ 802.11b/g/n HT20
⚫ 2.4GHz WiFi
⚫ WPA, WPA2, WEP , and TKIP security modes
⚫ Up to +20±3dBm output power
Tuya WRD3L Wi-Fi Module
Version: 2.0.1
Date: 2019-10-15
No.: 0000000001
Global Intelligent Platform
Product
Manual
WRD3L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 2 V2.0.1
⚫ STA, AP, and STA+AP working modes
⚫ Smart and AP network configuration modes for Android and iOS devices
⚫ Onboard PCB antenna with a gain of 1.0 dBi
⚫ Working temperature: –20°C to +105°C
1.2 Applications
Intelligent building
Smart household and home appliances
Smart socket and light
Industrial wireless control
Baby monitor
Network camera
Intelligent bus
WRD3L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 3 V2.0.1
2 Change History
No. Date Change Description Version After
Change
1 2019-09-13 This is the first release. 2.0.0
2 2019-10-15 Modified pin numbers and deleted the
architecture diagram.
2.0.1
WRD3L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 4 V2.0.1
Contents
1 Product Overview ......................................................................................................... 1
1.1 Features .......................................................................................................... 1
1.2 Applications ..................................................................................................... 2
2 Module Interfaces ......................................................................................................... 6
2.1 Dimensions and Footprint ............................................................................... 6
2.2 Interface Pin Definition .................................................................................... 6
2.3 T est Pin Definition ........................................................................................... 8
3 Electrical Parameters ................................................................................................... 8
3.1 Absolute Electric...