The Apollo SA4705-700APO is indeed a notable upgrade from the Advanced 55000-805ADV. Firstly, the Apollo model offers enhanced detection capabilities, thanks to its advanced sensors and algorithms, providing more accurate and reliable detection of fires and other hazards. Additionally, the SA4705-700APO features improved communication protocols, facilitating faster and more efficient data transmission to monitoring stations. Furthermore, its modular design allows for easier expansion and customization according to specific needs. Overall, the Apollo SA4705-700APO represents a significant advancement in fire alarm technology, offering superior performance and versatility compared to the older Advanced model.