RJK-Radiotechnika company deals with the production and distribution of shortwave antennas type GP and single and multi-band directional antennas, made on the basis of Waldek SP7GXP designs. These designs have already proven themselves not only on the Polish market. They meet the expectations of the most demanding users, interested both in competitions and DXing. We are also the only Polish manufacturer of transistor amplifiers HF + 50 MHz 1200W.