Amazon's testing phase has been defined by iterative hardware development, moving from the initial model to the more capable : The
designed to be 50% quieter than its predecessors to mitigate community noise complaints. Domestic Expansion and Testing Markets Amazon Testing Drone Delivery System
: The system utilizes "sense and avoid" technology to navigate around obstacles such as people, pets, and backyard property, dropping packages from a height of about 13 feet into designated landing zones. Noise Reduction Amazon's testing phase has been defined by iterative
: These drones are increasingly integrated into same-day fulfillment centers , allowing them to carry approximately 90,000 top-selling products that weigh under five pounds. Critical Barriers to Scalability and backyard property