8-CH Wi-Fi / GPS Supported 1 * Nano SIM 1 * N-type Female External Antenna Interface 1 * USB 2.0 (for Power Supply & Debug) Built-in Rechargeable Batteries & Accessorial Solar Panel Support Typical Use for up to 4 Days Without Sunlight Support Listen Before Talk (LBT) for Downlink Wireless Deployment Stable and Independent LoRaWAN® Network IP67 Rated