DBx DAA solutions Modular amplifier platform for the access network supporting DOCSIS 3.1 as an RF amplifier, optical node or Remote PHY node. DBD-RPD-H Remote PHY node The Digital Broadband Distribution (DBD) is a smart dual active output node with a Harmonic Remote PHY module (1×2). DBD-RPD-V Remote PHY node The Digital Broadband Distribution (DBD) is a smart dual active output node with a Vecima Remote PHY module (1×2).