The D4MPP is a high-volume DOCSIS cable-modem stability test platform optimized for mass-production environments meeting CableLabs and Kyrio requirements. It delivers fully automated testing in as little as 20 seconds, enabling up to 4,000 devices per day. The system includes 1-to-X RF switching/combining with 5–3000 MHz coverage, low loss, and high isolation, plus 10 GbE connectivity. Software tools include a Windows GUI and full API for integration.