Siedle offers 4 system lines:

1+n (711/811) - Ideally suited for residential, small commercial, and multi-family applications it remains our day-to-day problem solver.

2-Wire Bus - A cost effective system designed specifically for retrofitting as well as new multi-user installations.

Multi - The answer for your complex applications where retail, commercial, and multi-family all meet under the same roof.

SIC-3000 - Focused on the integration requirements and flexibility demands of commercial and high-end residential markets.

Siedle 4 System Comparison (pdf)