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ESP32

ESP-WROOM-32 (ESP32) is the latest generation of WiFi & Bluetooth dual-mode dual-core dual-core wireless communication chip released by Espressif. The ESP32 chip integrates a wealth of hardware peripherals, including capacitive touch sensors, Hall sensors, low-noise sensor amplifiers, SD card interfaces, Ethernet interfaces, high-speed SDIO / SPI, UART, I2S and I2C, etc.
ESP32 Lora 868-915MHz U.FL IPEX to SMA Antenna

MakerFocus 4Pcs 868MHz 2dBi IPEX-1 Connector Spring Antenna New Version for WiFi ESP32 Lora Module

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433MHz Spring Antenna 3dBi IPEX 13 U.FL

MakerFocus 4pcs 433MHz 3dBi Spring Antenna with IPEX 13 U.FL Connector for ESP32 LoRa Module SX1278