Hi there! The Gamewell-FCI ATD-L3R-IV is definitely a solid choice for an upgrade. It offers advanced features and improved reliability compared to the ASD-PL2F. The ATD-L3R-IV boasts enhanced detection capabilities, including better sensitivity to smoke and other fire indicators. Plus, its streamlined design and compatibility with modern fire alarm networks make it a great investment for future-proofing your system. Overall, I’d highly recommend considering the ATD-L3R-IV for your upgrade.