https://www.tradeeasy.com/supplier/118846/products/p1248392/dielectric-resonator-te-mode.html
Dielectric Resonator (TE Mode),ZTDD / ZTDT Series - Chequers Electronic (China) Ltd. - Manufacturer
Dielectric Resonator (TE Mode),ZTDD / ZTDT Series from Hong Kong (China) Manufacturer Chequers Electronic (China) Ltd. - Frequency range: 0.5GHz to 30GHz...