At firealarm.com, we’ve extensively tested the Edwards EC2-SB in comparison to the 702U. The EC2-SB offers several improvements over its predecessor, including enhanced programming capabilities, expanded compatibility with peripheral devices, and improved reliability. The transition from the 702U to the EC2-SB has been seamless for our clients, with many reporting increased functionality and ease of use. Overall, we highly recommend the Edwards EC2-SB as a reliable and feature-rich choice for fire alarm control panels.