For drones weighing a lot less than 250g without having a camera, neither ID is necessary. That said, you still must comply with the UK’s drone legal guidelines. Based on the Drone Code, What this means is retaining Visible contact with your drone, flying no greater than 120m over the https://www.aeroindustrial.com/por-que-el-dji-matrice-4t-es-ideal-para-infraestructuras-criticas-y-monitoreo-ambiental/