We understand that your individual projects are unique, so we build custom RF coils to meet your specific needs.

We build RF coils with the best RF homogeneity and sensitivity   

custom-Made RF coils for your UPCOMING projects

​Saddle coil          Birdcage coil          Millipede coil

ExtendMR LLC

RF homogeneity and sensitivity comparison


Ernest WH Wong, S.Sukumar, Weston Anderson and Seiji Unno, ENC, 2001

​​Service Agilent/Varian pREclinical RF coils 

Localized spectroscopy with water suppression of a grape


Ernest WH Wong and S. Sukumar, ISMRM, 2000

Whole mouse body image with 40 micrometer resolution obtained with a high homogeneity Millipede probe. The dimension of the probe is about 3 cm in diameter and 11 cm long.

Mouse Imaging Center (MICe), Hospital for Sick Children, Toronto, Canada

​We build RF coils to match your specified dimensions

​We build RF coils that support localized spectroscopy with water suppression

​Please contact us (Ernest.wong@extendmr.com) to discuss your special needs.

We specialize in repair and service for the following RF coils:

  • Millipede Coil
  • Tx/Rx Birdcage Coil
  • Actively-Detuned Birdcage Coil
  • Actively-Detuned Surface Coil
  • Double-Tuned Surface Coil
  • and others

Localized spectroscopy with water suppression      1H image of a grape, the green box marks the area for localized spectroscopy

Agilent/Varian RF coil service and supporT


RF Coil upgrade options for Agilent/Varian MRI systemS


Extend your technical advantage with our custom-made RF coils