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BackESP32-S2-WROVER(-I) 2.4 GHz Wi-Fi Bluetooth external antenna espressif 20*15.4mm 2.4 GHz Wi-Fi and Bluetooth combo chip, external antenna, https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf 2.4 GHz Wi-Fi and Bluetooth module, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf NINA-B111 LGA module 42 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/05081875_0_UHE42.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 6 times 0.25 mm² wires, basic insulation.
- 1.5/2-H-3.5 1990737 Connector Phoenix Contact connector.
- Or 2.5:1:1 or 1:1, 9.0x8.6x7.6mm (https://productfinder.pulseeng.com/products/datasheets/P663.pdf SMT Gate.