WB3L Reset & Teardown (FCC ID 2ANDL-WB3L)
Factory reset and internal photos for Tuya Global WB3L. Tuya / Smart Life smart plug.
January 15, 2026
•
1 min read
Before you buy the Tuya Global WB3L, check what's inside.
The WB3L is a low-power embedded Wi-Fi module developed by Tuya, featuring an Arm Cortex-M4 MCU and integrated Wi-Fi connectivity. It supports various application scenarios including smart home devices and industrial control.
⚠️ NOTE: Ensure correct voltage is supplied to the module.
Quick Specs
- Manufacturer: Tuya Global
- Model: WB3L
- Protocol: WiFi
- Chipset: Realtek/Beken
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: BK7231T
- Flashable: ✅ Yes
- Info: The BK7231T chipset is known to be flashable with custom firmware like OpenBeken.
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 WB3L is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
1. Product Overview
WB3L is a
low
-
power embedded Wi
-
Fi module that Tuya has developed. It consists of a
highly integrated RF chip (BK7231T) and several peripheral components, with an
embedded Wi
-
Fi network protocol stack and robust library functions. WB3L is embedded
with a low
-
power
Arm Cortex
-
M4 microcontroller unit (MCU), 2 MB flash memory, 256 KB
static random
-
access memory (SRAM), and extensive peripherals.
WB3L is an RTOS platform that integrates all function libraries of the Wi
-
Fi MAC and
TCP/IP protocols. You can develop embedd
ed Wi
-
Fi products as required.
1.1 Features
Embedded low
-
power 32
-
bit CPU, which can also function as an application
processor
Clock rate: 120 MHz
Working voltage: 3.0 V to 3.6 V
Peripherals: eight GPIOs
Wi
-
Fi connectivity
802.11b/g/n
Channels 1 to 14 at 2.4 GHz
WPA and WPA2 security modes
Up to +
20
dBm output power in 802.11b mode
STA, AP, and STA+AP working modes
Tuya WB3L Wi
-
Fi Module
Version: 1.0.0
Date: 2019
-
11
-
17
No.: 0000000004
Global Intelligent Platform
Product
Manual
WB3L Datasheet
Hangzhou Tuya
Information Technology Co., Ltd.
2
V1.0.0
EZ and AP net
pairing modes for Android and iOS devices
Onboard PCB antenna with a gain of 1.2 dBi
Working temperature:
2
0°C to +1
05
Bluetooth
Support for Bluetooth
4.0
Maximum output power of
+
10
dBm
Onboard PCB antenna with a gain of 1.2 dBi
1.2 Application Scenari
os
Intelligent building
Smart household and home appliances
Smart socket and light
Industrial wireless control
Baby monitor
Network camera
Intelligent bus
WB3L Datasheet
Hangzhou Tuya
Information Technology Co., Ltd.
3
V1.0.0
Change History
No.
Date
Change Description
Version After Change
1
2019
-
11
-
17
This is the first release.
1.0.0
WB3L Datasheet
Hangzhou Tuya
Information Technology Co., Ltd.
4
V1.0.0
Contents
1. Product Overview
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1
1.1 Features
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..................
1
1.2 Application Scenarios
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2
2. Module Interfaces
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............
6
2.1 Dimensions and Footprint
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................................
......................
6
2.2 Interface Pin
Definition
................................
................................
...........................
6
2.3 Test Pin Definition
................................
................................
................................
...
8
3. Electrical Parameters
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................................
................................
.......
8
3.1 Absolute Electrical Parameters
....................