My system is the 2WFM-AS (2 Way FM Series with Auto Starter). The new one they have out is the 2WSS-AS (2 Way Spread Spectrum with Auto Starter).
The Spread Spectrum is more secure and goes a lonter distance. Auto Starter works great and gives you a visual and audio feedback to the remote when Hummer starts. Mine cost me $650 installed. That was complete, with Alarm, Auto Starter, Remote Pager, shock Sensors, 1 remote, hood mounted kill switch and Siren. I'll take some pics and post them tomorrow. The offical site is
www.compustar.org
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'03 Hummer H2 Adv./Lux. Pkgs. Sunset Orange W/Sunroof
Air Spring Susp. Pkg. + 3rd. row seat & DVD System.
CompuStar Auto Security/Remote Starter.