WBRG1 Reset & Teardown (FCC ID 2ANDL-WBRG1)

Before you buy the Tuya Global WBRG1, check what's inside.

The WBRG1 is a low-power Wi-Fi and BLE dual-mode embedded module developed by Tuya. It is designed for integration into various smart devices, offering connectivity and control via the Smart Life ecosystem.

⚠️ NOTE: Handle with care during installation; ensure proper voltage and connection.

Quick Specs

Manufacturer: Tuya Global
Model: WBRG1
Protocol: Wi-Fi & BLE
Chipset: Realtek/Beken
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: RTL8721CSM
Flashable: ❌ No
Info: The RTL8721CSM chipset is proprietary to Tuya and generally not supported for custom firmware flashing like Tasmota or ESPHome.

User Manual

Scanned pages from the official user manual:

WBRG1 Manual

External Photos

Photos of the device exterior:

WBRG1 Exterior

Internal Photos

Teardown photos showing the PCB and components:

WBRG1 PCB

Verdict

The WBRG1 is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

WBRG1 Module Datasheet
Device Development > Cloud Module > Wi-Fi & BLE Dual Mode
Module
Version: 20201104
Online Version
Contents
Contents
1 Product overview 1
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Change history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Module interfaces 2
2.1 Dimensions and package . . . . . . . . . . . . . . . . . . . . . . . . 2
2.2 Pin deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Electrical parameters 9
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 9
3.2 Normal working conditions . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 TX power consumption . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 RX power consumption . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5 Power consumption in working mode . . . . . . . . . . . . . . . . . . 11
4 RF parameters 14
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 TX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.3 RX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5 Antenna 17
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 17
5.3 U.FL RF connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6 Packaging information and production instructions 21
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.2 The diagram of PCB packaging . . . . . . . . . . . . . . . . . . . . . 22
6.3 Mounting requirements . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.4 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.5 Baking requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.6 Baking settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.7 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 25
i
Contents
6.8 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7 MOQ and packaging information 27
8 Appendix: Statement 27
8.1 Federal Communications Commission (FCC) Declaration of Conformity . 27
8.2 Declaration of Conformity European notice . . . . . . . . . . . . . . . 29
ii
1 PRODUCT OVERVIEW
1 Product overview
WBRG1 is a low-power embedded Wi-Fi module that T uya has developed. It consists
of a highly integrated wireless RF chip (RTL8721CSM) and an external ﬂash chip,
with an embedded Wi-Fi network protocol stack and varied library functions. With
the maximum CPU clock rate of 200 MHz, WBRG1 also contains a KM4 microcon-
troller unit (MCU), a low-power KM0 MCU, a WLAN MAC, a 1T1R WLAN module, a
4-MB pseudo-static random-access memory (PSRAM), 8-MB ﬂash memory, and rich
extensive peripherals.
WBRG1 is an RTOS platform that integ...