Certainly! The RSG Security DH24120SPC is indeed a step up from the DHS-24120C model. One significant improvement is its enhanced sensitivity to smoke and other potential fire indicators. This means quicker detection and response times, which can be critical in emergencies. Additionally, the DH24120SPC boasts improved communication capabilities, ensuring better connectivity and reliability for monitoring and notifications. Overall, while the upgrade may entail some initial investment, the added features and enhanced performance make it a worthwhile consideration for ensuring the safety and security of your premises.