Developer Studio v2.2.0

In your Open AT application project properties (Open AT Application > Build Settings > Module type), you have to select the right option to configure your project to fit with your module.
If you don’t get the module you want in the list, you’re probably not using the right Firmware package in your project configuration.

Last thing, we’ll have a look to change the wording: “SL series” module type actually means SL608X, not SL808X…