WBR2 Reset & Teardown (FCC ID 2ANDL-WBR2)

Before you buy the Tuya Global WBR2, check what's inside.

The Tuya WBR2 is a low-power embedded module designed for IoT devices, offering both Wi-Fi and Bluetooth connectivity. It is suitable for various smart home applications and requires a battery power source within the 3.0V to 3.6V range.

⚠️ NOTE: Ensure correct battery polarity when installing.

Quick Specs

Manufacturer: Tuya Global
Model: WBR2
Protocol: WiFi
Chipset: Realtek RTL8720
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: RTL8720CF
Flashable: ❌ No
Info: While the chipset is known, this specific module is designed as a component and not typically user-flashable for custom firmware like Tasmota or ESPHome without significant hardware modification and reverse engineering.

User Manual

Scanned pages from the official user manual:

WBR2 Manual

External Photos

Photos of the device exterior:

WBR2 Exterior

Internal Photos

Teardown photos showing the PCB and components:

WBR2 PCB

Verdict

The WBR2 is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

1
Tuya WBR2 Wi-Fi and Bluetooth Module
Version: 2.0.0 Date: 2019-10-28 No.: 0000000001
Global Intelligent Platform
1. Product Overview
WBR2 is a low-power embedded Wi-Fi and Bluetooth module that Tuya has developed. It
consists of a highly integrated RF chip (RTL8720CF) with an embedded Wi-Fi network
protocol stack and robust library functions. WBR2 also contains a low-power KM4
microcontroller unit (MCU), a WLAN MAC, a 1T1R capable WLAN baseband, 256 KB
static random-access memory (SRAM), 2 MB flash memory, and extensive peripherals.
WBR2 is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and
TCP/IP protocols. You can develop embedded Wi-Fi and Bluetooth products as required.
Figure 1-1 shows the WBR2 architecture.
Figure 1-1 WBR2 architecture
Product
Manual
WBR2 Datasheet
2
1.1 Features
 Embedded low-power KM4 MCU, which can also function as an application processor
 Clock rate: 100 MHz
 Working voltage: 3.0 V to 3.6 V
 Peripherals: six GPIOs and one universal asynchronous receiver/transmitter (UART)
 Wi-Fi connectivity
 802.11b/g/n20
 Channels 1 to 14 at 2.4 GHz
 Compatible with Bluetooth low energy (BLE) 4.2(Up to +9dBm EIPR output
power)
 WPA and WPA2 security modes
 Up to +20 dBm EIRP output power in 802.11b mode
 EZ net pairing mode for Android and iOS devices
 Onboard PCB antenna
 Certified by CE, FCC, and SRRC
 Working temperature: –20°C to +85°C
1.2 Application Scenarios
 Intelligent building
 Smart household and home appliances
 Smart socket and light
 Industrial wireless control
 Baby monitor
 Network camera
 Intelligent bus
WBR2 Datasheet
3
Change History
No. Date Change Description Version After Change
1 2019-10-28 This is the first release. 2.0.0
WBR2 Datasheet
4
Contents
1. Product Overview........................................................................................................................ 1
1.1 Features.............................................................................................................................. 2
1.2 Application Scenarios....................................................................................................... 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 RF Current Consumption.......................