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

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

The WBRU module is a compact, low-power Wi-Fi and Bluetooth LE module designed for embedded IoT applications. It is suitable for smart home devices, intelligent buildings, and other connected products leveraging the Tuya/Smart Life ecosystem.

⚠️ NOTE: Ensure correct battery polarity when installing or replacing batteries.

Quick Specs

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

🔧 Geek Corner (Flashing Info)

Chipset: W701H-VT2-CG
Flashable: ✅ Yes
Info: The W701H-VT2-CG chipset is based on an ARM Cortex-M4 core, which is generally amenable to flashing custom firmware if bootloader access or pinouts are available. However, specific flashing methods would require further investigation into boot mode pins and tool availability.

User Manual

Scanned pages from the official user manual:

WBRU Manual

External Photos

Photos of the device exterior:

WBRU Exterior

Internal Photos

Teardown photos showing the PCB and components:

WBRU PCB

Verdict

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

📄 Click to view full text manual (SEO)

WBRU Module Datasheet
Version: 20210525
Online Version
Contents
Contents
1 Overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Module interfaces 3
2.1 Dimensions and package . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Pin deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Electrical parameters 9
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 9
3.2 Working conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 RF power consumption . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Working power consumption . . . . . . . . . . . . . . . . . . . . . . . 11
4 RF parameters 12
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 TX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5 Antenna information 15
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 15
6 Packaging information and production instructions 16
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2 Recommended PCB packaging . . . . . . . . . . . . . . . . . . . . . 20
6.3 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.4 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 23
6.5 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7 MOQ and packaging information 27
8 Appendix: Statement 27
i
Contents
WBRU is a low-power-consumption embedded Wi-Fi+Bluetooth module that T uya
has developed. Embedded with the Wi-Fi network protocol stack and rich library
functions, it consists of a highly integrated RF chip (W701H-VT2-CG).
1 / 29
1 OVERVIEW
1 Overview
With the maximum CPU clock rate of 100 MHz, WBRU also contains a low-power-
consumption KM4 MCU, a WLAN MAC, a 1T1R WLAN, a 256-KB SRAM, a 2-MB ﬂash
memory, and extensive peripherals.
WBRU is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and
TCP/IP protocol. Y ou can develop embedded Wi-Fi products as required.
1.1 Features
• Embedded low-power-consumption KM4 MCU, which can also function as an
application processor Main clock rate: 100 MHz
• Working voltage: 3.0 to 3.6 V
• Peripherals: 14 GPIOs, 1 UART, and 1 log transmitter
• Wi-Fi and Bluetooth connectivity
– 802.11 b/g/n20
– Channels 1 to [email protected] GHz (CH1 to 11 for US/CA and CH1 to 13 for EU/CN)
– Support WEP, WPA, WPA2, and WPA2 PSK (AES) security modes
– Support Bluetooth Low Energy 4.2
– Up to + 20 dBm output power in 802.11b mode
– Support the SmartConﬁg function for Android and iOS devices
– Onboard PCB antenna
– Passed CE and FCC certiﬁcations
– Working temperature: -20℃ to 85℃
1.2 Applications
• Intelligent building
• Smart household and home appliances
• Smart socket and light
• Industrial...