MCU: ESP32-S3FN8 (WiFi & Bluetooth) for enhanced connectivity. LoRa Transceiver: SX1262 for reliable long-range communication. Frequency Options: Supports 433 MHz, 470 - 510 MHz, 863 - 870 MHz, and 902 - 928 MHz for versatile usage. Connectors: USB-C for easy charging and data transfer. Antenna: Dedicated 2.4 GHz metal spring antenna for WiFi/Bluetooth and U.FL/ antenna connector for LoRa for optimal performance. The ESP32 LoRa Series is fully compatible with Meshtastic, enabling users to leverage an open-source Mesh network for off-grid communication. This product is ideal for areas lacking reliable communication infrastructure, making it a perfect choice for outdoor enthusiasts and emergency situations. The D5 Solar Node Kit is designed for durability and efficiency, ensuring long-lasting performance in various environments. Color: As Shown Material: Plastic+Metal Specification: 915MHz Package Contents: 1*D5 Solar Node Kit(Without batteries) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.