NL Reset & Teardown (FCC ID 2ANDL-CBU-NL)
Factory reset and internal photos for Tuya Global NL. Tuya / Smart Life smart plug.
Before you buy the Tuya Global NL, check what's inside.
This device is a Tuya CBU-NL module based on the BK7231N chipset, offering both WiFi and Bluetooth LE connectivity. It's designed for integration into smart home appliances and intelligent buildings, supporting various network configurations and standard security protocols.
⚠️ NOTE: Ensure the device is powered within the specified 2.3V to 3.6V range. Consult the full datasheet for detailed power handling and operating conditions.
Quick Specs
- Manufacturer: Tuya Global
- Model: NL
- Protocol: WiFi
- Chipset: Beken BK7231N
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: BK7231N
- Flashable: ✅ Yes
- Info: The metadata correctly indicates flashable status with OpenBeken/LibreTiny firmware and the BK7231N chipset is known to be flashable.
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 NL is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
CBU-NL Module Datasheet
Version: 20220207
Online Version
Contents
Contents
1 Overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Change history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Module interfaces 4
2.1 Dimensions and package . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Electrical parameters 10
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 10
3.2 Normal working conditions . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 RF power consumption . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.4 Operating current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 RF parameters 14
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 Wi-Fi transmission performance . . . . . . . . . . . . . . . . . . . . . 14
4.3 Wi-Fi receiving performance . . . . . . . . . . . . . . . . . . . . . . . 15
4.4 Bluetooth LE transmission performance . . . . . . . . . . . . . . . . . 16
4.5 Bluetooth LE receiving performance . . . . . . . . . . . . . . . . . . . 16
5 Antenna information 17
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 17
6 Packaging information and production instructions 18
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.2 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.3 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 22
6.4 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7 MOQ and packaging information 26
8 Appendix: Statement 27
I
Contents
CBU-NL is a low-power embedded Wi-Fi module that T uya has developed. It consists
of a highly integrated RF chip BK7231N and a few peripherals, and not only sup-
ports the AP and STA dual-network-connection manner but supports the Bluetooth
LE network connection manner.
1 / 31
1 Overview
2
/
31
Smart
household
and
home
appliances
Intelligent
building
1.2
Applications
Onboard
PCB
antenna
with
a
gain
of
2.21
dBi
Complete
Bluetooth
coexistence
interface
6
dBm
transmit
power
in
Bluetooth
mode
Bluetooth
LE
connectivity
Operating
temperature:
-40℃
to
85℃
Onboard
PCB
antenna
with
a
gain
of
2.21
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
Peripherals:
5
PWMs,
2
UART s,
and
1
SPI
Operating
voltage:
2.3V
to
3.6V
The
clock
rate:
120
MHz
proce...