VertexRSI Compact Antenna 4.8m Tx/Rx Linear Ku Band Model 4.8PMK The VertexRSI delivers exceptional performance, with a compact aluminum reflector, 2 Port, Freq. Tx 13.75~14.50GHz, Manual Struts in Az & El and Intelsat approved. Galvanized pedestal for protection against natural elements. A variety of options available to complete your system.