Can all millimeter waves be sold?

it can be sold.

you can go to the second-hand market to inquire about the market or put it on the shelves of major second-hand websites for sale.

Baiquan millimeter wave therapeutic instrument is a second-class medical instrument manufactured by Beijing Zhongcheng Kangfu Technology Co., Ltd.. KFA series products of 1 mm-wave therapeutic instrument include medical equipment, military hospital equipment and civil equipment.

Focus on the application and popularization of millimeter wave physiotherapy with non-thermal effect, cumulative effect, remote effect and biological resonance characteristics.