CB2S Reset & Teardown (FCC ID 2ANDL-CB2S)
Factory reset and internal photos for Tuya Global CB2S. Tuya / Smart Life smart plug.
January 15, 2026
•
1 min read
Before you buy the Tuya Global CB2S, check what's inside.
The CB2S is a versatile dual-mode Wi-Fi and Bluetooth LE module from Tuya, designed for embedded IoT applications. It utilizes the BK7231N chipset and is commonly found in smart home devices that require network connectivity and control via the Smart Life app.
⚠️ NOTE: Device operates on low voltage but is often integrated into mains-powered products. Ensure proper installation and understand the power source of the final device.
Quick Specs
- Manufacturer: Tuya Global
- Model: CB2S
- Protocol: WiFi
- Chipset: Beken BK7231N
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: BK7231N
- Flashable: ✅ Yes
- Info: The CB2S module with BK7231N 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:
Internal Photos
Teardown photos showing the PCB and components:
Verdict
The CB2S is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
CB2S Module Datasheet
Hardware Product Development > Network Modules > Wi-Fi & BLE
Dual Mode Module > CB Series Module
Version: 20210408
Online Version
Contents
Contents
1 Overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Change history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Module interfaces 3
2.1 Dimensions and package . . . . . . . . . . . . . . . . . . . . . . . . 3
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 9
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 Wi-Fi transmission performance . . . . . . . . . . . . . . . . . . . . . 10
4.3 Wi-Fi receiving performance . . . . . . . . . . . . . . . . . . . . . . . 11
4.4 Bluetooth LE transmission performance . . . . . . . . . . . . . . . . . 11
4.5 Bluetooth LE receiving performance . . . . . . . . . . . . . . . . . . . 12
5 Antenna information 12
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 12
6 Packaging information and production instructions 13
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.2 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.3 Recommended oven temperature curve and temperature . . . . . . . 17
6.4 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 MOQ and packaging information 20
8 Appendix: Statement 20
i
Contents
1 / 22
BluetoothLE
network
connection
manner.
only
sup-ports
the
AP
and
STA
dual-network-connection
manner
but
supports
the
It
consistsof
a
highly
integrated
RF
chip
BK7231N
and
a
few
peripherals,
and
not
CB2S
is
a
low-power
embedded
Wi-Fi
-
Bluetooth
module
that
T uya
has
developed.
1 OVERVIEW
2 / 22
Intelligent
building
1.2
Applications
Onboard
PCB
antenna
with
a
gain
of
0
dBi
Complete
Bluetooth
coexistence
interface
6
dBm
transmit
power
in
Bluetooth
mode
Bluetooth
LE
connectivity
Working
temperature:
-40℃
to
105℃
Onboard
PCB
antenna
with
a
gain
of
0
dBi
and
iOS
devices
Support
SmartConfig
and
AP
network
configuration
manners
for
Android
Support
STA/AP/STA+AP
working
mode
Up
to
+
16
dBm
output
power
in
802.11b
mode
Support
WEP,
WPA/WPA2,
and
WPA/WPA2
PSK
(AES)
security
modes
Channels
1
to
[email protected]
GHz
802.11
b/g/n
Wi-Fi
connectivity
ceiver/transmitter
(UART),
and
1
ser...