M5Stack Cardputer ADV 2-in-1 RF Development Board, Compatible with NRF24 & CC1101, Stable 2.4GHz & 433MHz Auto Switching

⚠️ Firmware Notice

Feature

Description

🔄 Auto Dual-Band

Hardware mutual-exclusion — firmware activates one chip, the other is electronically isolated. No manual switching.

⚡ Stable Power Rail

ME6211 LDO + 100µF tantalum caps keep voltage clean during scan, sniff & replay.

📡 Tuned Antenna

Independent RF front-end per band with built-in high-gain antenna for better range and sensitivity.

🔧 Zero-Mod

Uses the standard 14-pin header. No soldering needed.

✅ Bruce Native

Set GPIO pins via WebUI — fully activated. No custom code needed.

Before using this expansion board, you need to configure the Cardputer ADV host's brucepins.conf file.

Please refer to the included manual or contact our store support for setup assistance.

Module

Sub-GHz Band

433 MHz

868 MHz

915 MHz

Primary Regions

China, Japan
Southeast Asia, EU

EU, UK
Germany, France, Netherlands

USA, Canada
Australia, Brazil

2.4GHz Module

NRF24L01

Compatible Host

M5Stack Cardputer ADV only

3D Printed Case

Included

Antenna

433 MHz + 2.4 GHz

868 MHz + 2.4 GHz

915 MHz + 2.4 GHz

Common Features

Long-range communication  ·  Low power consumption  ·  Open source  ·  Auto-switch RF module

Problem

Cause

Fix

Module not detected

Config not updated in both locations

Edit SD card AND LittleFS, then reboot

Detected but no signal

Antenna not connected / loose

Fully tighten both SMA antennas

WebUI not accessible

Device not in WebUI mode

Go to Files → WebUI; reconnect Wi-Fi

Frequency options grayed out

RF module not set to CC1101

RF → Config → RF Module → select CC1101

Crashes during TX

Unstable host power

Ensure battery is fully charged

Changes lost after reboot

Edited wrong storage location

Save to both SD and LittleFS