{"title":"Adafruit ESP32 Feather V2 w.FL Antenna -  8MB Flash + 2 MB PSRAM","handle":"adafruit-esp32-feather-v2-w-fl-antenna-8mb-flash-2-mb-psram","url":"/products/adafruit-esp32-feather-v2-w-fl-antenna-8mb-flash-2-mb-psram","description":"The Adafruit ESP32 Feather V2 with w.FL Antenna is identical to the standard ESP32 Feather V2 but replaces the PCB trace antenna with a w.FL (MHF3/IPEX3) connector for attaching an external antenna. This makes it ideal for use inside enclosures or when you need improved range from a larger dipole antenna.\n\nBuilt around the dual-core ESP32 at 240 MHz with 8 MB flash and 2 MB PSRAM, it includes USB-C, LiPo battery charging and monitoring, a STEMMA QT port with switchable power, a NeoPixel, and a user button. Designed for ultra-low power — approximately 70 µA in deep sleep.\n\nKey Features\n\n\nw.FL Antenna Connector – MHF3/IPEX3 connector for external 2.4 GHz antenna (not a standard u.FL)\n\nESP32 Dual-Core 240 MHz Xtensa – Wi-Fi and Bluetooth Classic/LE\n\n8 MB Flash + 2 MB PSRAM – Significantly more storage and memory than the original\n\nUSB-C – Modern connector for power, charging, and serial communication\n\nCP2102N USB-Serial – Up to 3 Mbps for fast firmware uploads with auto-reset\n\nLiPo Battery Support – JST connector with built-in charging and voltage monitoring\n\nUltra-Low Power – ~70 µA deep sleep, ~1.2 mA light sleep\n\nSTEMMA QT / Qwiic – I2C port with independently switchable 3.3V power\n\nNeoPixel – Addressable RGB LED with controllable power pin\n\nUser Button – Tactile switch on pin 38\n\nFeather Form Factor – Compatible with 50+ FeatherWings\n\n\nAlso Available\n\n\nESP32 Feather V2 (PCB antenna, unsoldered headers)\nESP32 Feather V2 with Pre-Soldered Headers\nESP32-S3 Feather\n\nESP32-C6 Feather (Wi-Fi 6 + Zigbee/Thread)\n\n\nIdeal For\n\nEnclosed or shielded installations requiring an external antenna\nLong-range Wi-Fi and Bluetooth projects\nBattery-powered IoT sensor nodes\nArduino and MicroPython development\n\n\nPackage Contents\n\n1× Adafruit ESP32 Feather V2 w.FL Antenna (fully assembled)\n1× Header strip (unsoldered)\n\n\n\nImportant: The antenna connector is MHF3 / IPEX3 / w.FL — this is not a standard u.FL connector. Ensure you use a compatible 2.4 GHz w.FL antenna or adapter cable. Antenna, LiPo battery, and USB cable sold separately.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":2270,"title":"Default Title","sku":"AF-5438","price":43.14,"on_sale":false,"in_stock":true,"available_quantity":14,"option1":"Default Title"}]}