WB2S Reset & Teardown (FCC ID 2ANDL-WB2S)
Factory reset and internal photos for Tuya Global WB2S. Tuya / Smart Life smart plug.
January 15, 2026
•
1 min read
Before you buy the Tuya Global WB2S, check what's inside.
The WB2S is a compact, low-power embedded WiFi module developed by Tuya, featuring an integrated BK7231D chipset and an Arm Cortex-M4 MCU. It supports standard WiFi 802.11 b/g/n protocols and Bluetooth v4.0, making it suitable for various smart home and IoT applications.
⚠️ NOTE: Ensure correct battery polarity and voltage (3.0V-3.6V) when powering the module.
Quick Specs
- Manufacturer: Tuya Global
- Model: WB2S
- Protocol: WiFi, Bluetooth
- Chipset: Beken BK7231T
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: BK7231D
- Flashable: ✅ Yes
- Info: The WB2S module with BK7231D chipset is known to be flashable with custom firmware like OpenBeken/LibreTiny.
User Manual
Scanned pages from the official user manual:
External Photos
Photos of the device exterior:
Verdict
The WB2S is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
WB2S Datasheet
1
1 Product Overview
WB2S is a low
-
power embedded Wi
-
Fi module that Tuya has developed.
It consists of a
highly integrated
RF chip (BK7231D) and several peripheral components, with an
embedded Wi
-
Fi network protocol stack and robust library functions. WB2S also
contains a low
-
power Arm Cortex
-
M4 microcontroller unit (MCU), 1T1R WLAN module,
256 KB static random
-
access memory (
SRAM), 2 MB flash memory, and extensive
peripherals.
WB2S 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 32
-
bit CPU, whi
ch can also function as an application
processor
Clock rate: 120 MHz
Working voltage: 3.0 V to 3.6 V
Peripherals: five GPIOs, one universal asynchronous receiver/transmitter (UART),
and one analog
-
to
-
digital converter (ADC)
Wi
-
Fi connectivity
802.11b/g/n20/n40
Channels 1 to 14 at 2.4 GHz
WPA and WPA2 security modes
Up to +16 dBm output power in 802.11b mode
EZ net pairing mode for Android and iOS devices
Onboard PCB antenna
Tuya WB2S Wi
-
Fi Module
Version: 1.0.0
Date: 2019
-
11
-
23
No.: 0000000001
Product
Manual
Global Intelligent Platform
WB2S Datasheet
2
Certified by CE and FCC
Working temperature:
20°C to +85°C
BT
Support
Bluetooth (V4.0)
Maximum output power +
7
dBm
EIRP
Onboard PCB antenna with a gain of
-
1
dBi
1.2 Application Scenarios
Intelligent building
Smart household and home appliances
Healthcare
Industrial wireless control
Baby monitor
Network camera
Intelligent b
us
Change History
No.
Date
Change Description
Version After Change
1
2019
-
11
-
23
This is the first release.
1.0.0
WB2S Datasheet
3
Contents
1 Product Overview
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1
1.1 Features
................................
................................
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..................
1
1.2 Application Scenar
ios
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2
2 Module Interfaces
................................
................................
................................
.............
6
2.1 Dimensions
and Footprint
................................
................................
......................
6
2.2 Interface Pin Definition
................................
................................
...........................
6
3 Electrical Parameters
................................
................................
................................
........
7
3.1 Absolute Electrical Parameters
................................
................................
..............
7
3.2 Working Conditions
................................
................................
................................
8
3.3 TX Current C
onsumption
...............