Catheter ablation techniques for atrial fibrillation are evolving with targets for radiofrequency ablation of atrial fibrillation increasingly being selected based on anatomic considerations. Such anatomic ablation techniques require precise catheter localization and stable contact during ablation. Even experienced electrophysiologists occasionally encounter difficulties in maintaining stable catheter contact, especially in some regions of complex anatomy where catheter stability is crucial. Limitations of manually deflected conventional ablation catheters in performing complex catheter maneuvers may also contribute to these challenges. The CARTO RMT version 8 has been recently released to guide left atrial mapping and ablation in conjunction with the Stereotaxis system for remote control of the ablation catheter. We aim to describe how this system works and why it is needed in the field of catheter ablation.