Four element, two meter beam, elements can be tubular aluminum, solid aluminum, or for low terrestrial noise, use fiberglass elements. This beam may be installed vertical, or horizontal.For optimum performance and gain, feed with BUX COMM "VBALUN." Four element, six meter beam, elements can be tubular aluminum, solid aluminum, or for less terrestrial noise, use fiberglass elements. This beam may be installed vertical, or horizontal.