https://www.bruker.com/pt/products-and-solutions/preclinical-imaging/mri/mri-rf-coils/x-nuclei-coils.html
X- Nucleic Coils | Double Tuned RF Coils | Manufacturer | Bruker
Bruker is a manufacturer of X-Nucleic Coils which are double tuned RF coils that offer direct signal detection as well as decoupling experiments.
double tunedxnucleiccoilsrf