for Flipper zero backpacks 3in1 5G CC1101 NRF24 module
Three-in-one backpack module adapted for flipper zero
1. Module composition and core functions
5G Sub-GHz module: BW16 module (RTL8720DN, supports 5G and 2.4G), has been flashed with 5G WiFi-deauth-for-Flipper-zero firmware, supports 5Gwifi deauth.fap, see GITHUB for details.
CC1101: built-in antenna, high-performance Sub-GHz RF chip, covers 300-928MHz frequency band, supports multiple modulation modes (ASK/OOK/FSK), suitable for IoT device interaction.
NRF24: 2.4GHz RF module, commonly used for wireless keyboard and mouse signal sniffing/replay.
2. Typical application scenarios
Security testing: sniffing/replaying wireless access control and remote control signals.
IoT research: interacting with smart home devices (such as light bulbs and sensors).
Educational experiment: Learn wireless communication protocols (5.8G, 2.4G, BLE).
3. Advantages and resource balance
Three-in-one design: Save hardware space and avoid frequent module replacement.
Open source support: Flipper Zero community provides firmware extensions (such as custom frequency band configuration).
GPIO: BW16 module uses GPIO TX and GPIORX. CC1101 and NRF24 can be enabled independently. GPIO interfaces are allocated on demand. Refer to mntm firmware CC1101 uses GPIO A4 and NRF24 uses GPIO A7.
4. Notes
Compliance: Some frequency bands must comply with local radio regulations.
Technical threshold: Some open source APPs support it. If you need custom functions, you need basic RF knowledge (such as code writing, signal decoding, frequency band selection, firmware compilation). If you re-flash BW16, please press and hold the boot button before powering on the module and flash it through TX RX 3.3 GND.

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