Flipper Zero Dual Band Attachment (Ai Thinker RTL8711D BW16)

Flipper Zero Dual Band Attachment (Ai Thinker RTL8711D BW16) – User Guide

Summary

This guide provides step-by-step instructions on how to set up and use the Flipper Zero Dual Band Attachment featuring the Ai Thinker RTL8711D BW16 module. Learn how to install firmware, configure dual-band functionality, and leverage its capabilities for wireless security testing, signal scanning, and more.

1. Introduction

The Flipper Zero Dual Band Attachment expands the capabilities of your Flipper Zero by adding 2.4GHz & 5GHz Wi-Fi support via the Ai Thinker RTL8711D BW16 module. This attachment enables packet sniffing, network scanning, and other RF-based security testing.

2. Requirements

Flipper Zero device
Dual Band Attachment (RTL8711D BW16)
Micro-USB cable (for firmware flashing)
Latest Flipper Zero firmware
qFlipper (for firmware updates)

3. Installation & Setup

Step 1: Attach the Module

Power off your Flipper Zero.
Align the Dual Band Attachment with the GPIO pins on the Flipper Zero.
Gently push it into place, ensuring a secure connection.

Step 2: Flash Firmware

Download the latest custom firmware for the BW16 module.
Connect the module via USB to your PC.
Use esptool.py or Ai-Thinker Flash Tool to flash the firmware:

esptool.py --port COM3 write_flash 0x0 firmware.bin

Wait for the process to complete, then disconnect.

Step 3: Configure on Flipper Zero

Power on the Flipper Zero.
Navigate to GPIO > Wi-Fi Module.
Select Dual Band (BW16) and enable Packet Monitor Mode.

4. Using the Dual Band Attachment

Wi-Fi Scanning

Go to Wi-Fi Scanner in the Flipper menu.
Select 2.4GHz or 5GHz band.
The device will list available networks, including BSSID, Channel, and Signal Strength.

Packet Sniffing

Enable Promiscuous Mode to capture raw packets.
Save logs to the SD card for analysis in Wireshark.

Deauthentication Attacks (Ethical Use Only!)

Select Target AP from the scan list.
Choose Deauth Attack to test network resilience (for authorized pentesting only).

5. Troubleshooting

Module not detected? → Re-seat the attachment and check GPIO connections.
Firmware flash failed? → Ensure correct COM port and firmware version.
Wi-Fi not scanning? → Verify antenna connection and power supply.