Elektor overview of Espressif’s ESP32-E22, positioned as a Wi-Fi 6E connectivity co-processor that runs the full Wi-Fi + Bluetooth stacks so the host CPU can focus on application code. Highlights include tri-band 2.4/5/6 GHz with 160 MHz channels, 2×2 MU-MIMO/beamforming, dual-mode Bluetooth (BR/EDR + BLE 5.4), and PCIe/SDIO host interface options.