WR10 twisted waveguide 75-110GHz 90degree WR2.8 twisted waveguide 260-400GHz 90 ដឺក្រេ។ WR10 twisted waveguide 75-110GHz 90 ដឺក្រេ។ WR19 twisted waveguide 40-60GHz 90 ដឺក្រេ។
