- "If you want to find the secrets of the universe, think in terms of energy, frequency and vibration." Nikola Tesla nok9 is a diverse collective of thinkers and doers, continually reimagining what’s possible to help the wireless power industry to do what they want in better ways. As the leading manufacturer of test- and development tools for wireless power, nok9 is dedicated to quality, accuracy and innovation. With a diverse team of industry experts nok9 aims to remain a leader in wireless power, providing knowledge and expertise to help propell the innovation and quality within wireless charging. We deliver state of the art tools for industry leaders within all levels of the wireless power community. nok9's ISO17025 calibrated CATS I and CATS II test equipment is the only WPC certified test tool for the qi wireless charging standard.