The Linksys Cisco VoIP Broadband Router with 2 Phone Ports, model RTP300, is a new and sealed networking device designed for businesses that utilize Voice over Internet Protocol (VoIP) technology. With two phone lines, this router allows for efficient and reliable communication within the office setting or residential. The Linksys brand is known for producing high-quality networking equipment, making this product a reliable choice for businesses looking to enhance their IP PBX system with a dependable and secure router. Or a great addition for a vintage tech collector. No power adapter included.