A:AnswerThis model microwave can be mounted to the underside of your cabinet using our optional JXA019K hanging kit. It can also be built-in to your cabinetry using either our 27" (JX827SFSS) or 30" (JX830SFSS) built-in kit. -Vikki@GEAppliances
A:AnswerThe compatible trim kits for the PCHK11S1WBB are: JX830DFBB and JX827DFBB. The trim kit will need to be purchased separately. -Don@GEAppliances