BW16 Reset & Teardown (FCC ID 2AHMR-BW16)

Before you buy the Tuya OEM BW16, check what's inside.

The BW16 is a highly integrated System-on-Chip (SoC) module designed for IoT applications, offering dual-band Wi-Fi (2.4GHz and 5GHz) and Bluetooth 5.0 connectivity. It features an ARM Cortex-M4F core and various peripherals, making it suitable for custom embedded solutions.

⚠️ NOTE: No specific safety warnings can be determined from the provided data, but typical precautions for electronic modules should be followed.

Quick Specs

Manufacturer: Tuya OEM
Model: BW16
Protocol: WiFi
Chipset: Realtek RTL8720
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: RTL8720DN
Flashable: ❌ No
Info: While it uses the RTL8720DN chipset, the provided metadata and FCC information indicate it is not intended for user flashing and may have security features preventing it.

User Manual

Scanned pages from the official user manual:

BW16 Manual

External Photos

Photos of the device exterior:

BW16 Exterior

Internal Photos

Teardown photos showing the PCB and components:

BW16 PCB

Verdict

The BW16 is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

SHENZHEN B&T TECHNOLOGY Co., Ltd ZHONGSHAN B&T TECHNOLOGYCo., Ltd
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Project No ：BW16
Date：2019.08.16
Rev：V1.1
Customer name：
Model： BW16
B&T P/N:
Spec.： Single-Chip low power dual bands Wireless LAN(WLAN)
and Bluetooth Low Energy(v5.0)
Sealed by corporation:
Compilation Verify Approval
Wanghs
Sealed by customer ：
Check Verify Approval
Contact information of B&T ：
ADD:10/F,Lingyun Administration Building,Liufang Road,The 67 District of Baoan
District,Shenzhen
Factory in Zhongshan ：3-4/F A Building,The Eastern Industrial Zone,Nam Long,Zhongshan
TEL：0760-88580932 FAX ：0760-89961414
HTTP：http://www.tech-now.com
sales: MB: E-mail：
support : MB: E-mail：
Quality: MB: E-mail：
SHENZHEN B&T TECHNOLOGY Co., Ltd ZHONGSHAN B&T TECHNOLOGYCo., Ltd
第 2 页 共 13 页
SPECIFICATION
Single-Chip low power dual bands
Wireless LAN(WLAN) and Bluetooth Low Energy(v5.0)
SoC Module
BW16
Version: V1.1

SHENZHEN B&T TECHNOLOGY Co., Ltd ZHONGSHAN B&T TECHNOLOGYCo., Ltd
第 3 页 共 13 页
Change History of Revision
Revisio Date Contents of Revision Change Compilation Verify
V1.0 2019.06.13 Iinitial release Wanghs
V1.1 2019.08.16 Modify pin definitions Wanghs
SHENZHEN B&T TECHNOLOGY Co., Ltd ZHONGSHAN B&T TECHNOLOGYCo., Ltd
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1.Overview
The BW16 is a highly integrated Wi-Fi and Bluetooth SOC module ,Main chip
RTL8720DN is a highly integrated Single-Chip low power dual bands(2.4GHz and 5GHz)
Wireless LAN(WLAN) and Bluetooth Low Energy(v5.0). It consists of a high-per formance
MCU(ARM V8M,Cortex-M4F instruction compatible) named KM4, a low power MCU(ARM
V8M,Cortex-M0 instruction compatible) named KM0, WLAN (802.11 a/b/g/n) MAC, an 1T1R
capable WLAN baseband, RF , Bluetooth and peripherals.
BW16 integrates internal memories for complete WIFI and BLE5.0 protocol functions.
The embedded memory configuration also provides simple application developments.
2. Features
Wireless
Secure
Items Description
Hardware engine AES/DES/SHA hardware engine
TrustZone TrustZone-M supported
Secure boot Secure boot supported
SWD protection Debug port access protection and prohibition modes
eFuse protection Security eFuse
RSIP Flash Decryption on-the-fly
Items Description
WIFI 802.11 a/b/g/n 1x1, 2.4GHz & 5GHz
 Support 20MHz/40MHz up to MCS7
 Low power architecture
 Support low power Tx/Rx for short range application
 Low power beacon listen mode
 Low power Rx mode
 Very low power suspends mode (DLPS)
 External PA is supported
BT BLE Support BLE
 Support both central and peripheral modes
 High power mode (10dbm, share the same PA with WIFI)
 Internal co-existence mechanism between WIFI and BT to share the same
antenna.
BT BLE5.0 Support BLE5.0
SHENZHEN B&T TECHNOLOGY Co., Ltd ZHONGSHAN B&T TECHNOLOGYCo., Ltd
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Peripheral Interfaces
 3 ADC interface are shared with the uart interfaces
 2 UART with standard baud rate support
 1 I2C interfaces are shared with the PWM interfaces
 1 SPI interfaces are shared with the PWM interfaces
 4 PWM interfaces
 All of the above interfaces can be...