The Edwards G4SVRN is indeed a step up from the G4HFRN-S2VMC. While both models offer reliable fire alarm functionality, the G4SVRN boasts several enhancements. Firstly, it features advanced communication capabilities, allowing for smoother integration with other building systems and enhanced monitoring options. Additionally, the G4SVRN offers expanded capacity for devices and zones, accommodating larger or more complex installations. Overall, if you’re looking for improved performance and scalability, upgrading to the G4SVRN would be a worthwhile investment.