ESP32-DIV V2.0
Open-source multi-band wireless development toolkit with ESP32-U, 2.8" ILI9341 TFT display, 5 antennas, and SD card slot covering WiFi, BLE, 2.4GHz, and Sub-GHz frequency bands for security research and spectrum analysis.
$71.99
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Specifications
Components
Espressif dual-core Xtensa LX6 MCU at 240MHz with 520KB SRAM, 16MB flash, built-in WiFi 802.11 b/g/n, and Bluetooth 4.2 + BLE. U.FL variant with external antenna connector.
262K-color TFT LCD single-chip driver supporting 320x240 resolution with SPI interface, driving the 2.8-inch color display for UI and spectrum visualization.
Silicon Labs USB-to-UART bridge supporting up to 1 Mbps baud rate, providing USB serial programming and debugging interface for the ESP32.
Nordic Semiconductor 2.4GHz wireless transceiver with 126 RF channels and data rates up to 2 Mbps, used for 2.4GHz ISM band scanning and spectrum analysis.
Texas Instruments low-power Sub-GHz RF transceiver supporting 300-348 MHz, 387-464 MHz, and 779-928 MHz bands with OOK, 2-FSK, 4-FSK, and MSK modulation for sub-gigahertz signal analysis.
NXP 8-bit I/O expander on the I2C bus providing additional GPIO pins for button input and peripheral control at up to 400 kHz.
STMicroelectronics 3.3V low-dropout voltage regulator with 500mA output, providing stable 3.3V power rail for the ESP32 and peripheral circuits.
Bus Interfaces
The ESP32-DIV V2.0 is an open-source multi-band wireless development board from Cirket Open Source Hardware, designed as an all-in-one toolkit for wireless research and education. Built around the ESP32-U module with 16MB of flash, it pairs a 2.8-inch ILI9341 TFT touchscreen display with five external antennas to cover WiFi, Bluetooth Low Energy, 2.4GHz ISM band, and Sub-GHz frequency ranges. The board includes dedicated radio hardware — an nRF24L01 transceiver for 2.4GHz scanning and a CC1101 Sub-GHz transceiver — alongside the ESP32's built-in WiFi and Bluetooth radios.
On the software side, the device ships with firmware providing real-time WiFi packet monitoring with waterfall visualization across all 14 channels, BLE scanning and jamming capabilities, a 128-channel 2.4GHz spectrum analyzer, and Sub-GHz signal capture tools. An SD card slot enables logging captured data and storing signal recordings for later analysis. Navigation is handled through physical push buttons and the resistive touchscreen interface, while a PCF8574 I/O expander manages the additional inputs.
The board is powered via Micro-USB through a CP2102 USB-to-serial bridge for both programming and power delivery, with an LF33 voltage regulator providing stable 3.3V output. A battery connector with a physical power switch enables portable operation for field research. The ESP32-DIV V2.0 is intended strictly for educational and authorized security research purposes, making it suitable for RF engineering students, wireless security professionals, and hobbyists exploring the radio spectrum.
Use Cases
4Wireless Security Research
Tools and boards designed for wireless security auditing, RF analysis, and penetration testing across WiFi, Bluetooth, and Sub-GHz bands.
Spectrum Analysis
Devices capable of scanning and visualizing radio frequency spectrum activity across multiple bands.
Packet Monitoring
Boards with built-in packet sniffing and monitoring capabilities for wireless network analysis.
IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
Where to Buy
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