CB3L Reset & Teardown (FCC ID 2ANDL-CB3L)
Factory reset and internal photos for Tuya Global CB3L. Tuya / Smart Life smart plug.
Before you buy the Tuya Global CB3L, check what's inside.
The CB3L is a low-power embedded module from Tuya, featuring integrated Wi-Fi and Bluetooth LE connectivity. It is designed for integration into various smart home devices, offering dual-mode wireless communication capabilities.
⚠️ NOTE: This module is designed for integration into mains-powered devices. Ensure all power connections are made by a qualified electrician and adhere to local electrical codes.
Quick Specs
- Manufacturer: Tuya Global
- Model: CB3L
- Protocol: WiFi
- Chipset: Realtek/Beken
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: BK7231N
- Flashable: ✅ Yes
- Info: The BK7231N 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 CB3L is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
CB3L Module Datasheet
Version: 20210507
Online Version
Contents
i
Contents
1 Product overview 2
1.1 Features...................................................................................................2
1.2 Applications......................................................................................................... 3
2 Module interfaces 4
2.1 Dimensions and package............................................................................. 4
2.2 Pin definition........................................................................................................4
3 Electrical parameters 7
3.1 Absolute electrical parameters.....................................................................7
3.2 Normal working conditions.................................................................................7
3.3 RF power consumption....................................................................................... 8
3.4 Working current...........................................................................................8
4 RF parameters 10
4.1 Basic RF features.......................................................................................10
4.2 Wi-Fi transmission performance.......................................................................10
4.3 Wi-Fi receiving performance............................................................................ 11
4.4 Bluetooth transmission performance......................................................... 12
4.5 Bluetooth receiving performance.............................................................. 12
5 Antenna information 12
5.1 Antenna type..............................................................................................12
5.2 Antenna interference reduction................................................................. 13
6 Packaging information and production instructions 14
6.1 Mechanical dimensions............................................................................. 14
6.2 Side view............................................................................................................15
6.3 The schematic diagram of packaging........................................................ 16
6.4 The diagram of PCB packaging-pin header..................................................... 16
6.5 Production instructions.............................................................................. 17
6.6 Recommended oven temperature curve.................................................... 19
6.7 Storage conditions..................................................................................... 22
Contents
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7 MOQ and packaging information 23
8 Appendix-Statement 23
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Contents
CB3L is an embedded low-power Wi-Fi module that Tuya has developed. It consists of
a highly integrated RF chip BK7231N and a few peripherals. CB3L not only supports
the Wi-Fi AP and STA modes, but also supports the Bluetooth LE.
1 PRODUCT OVERVIEW
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1 Product overvie...