18-port sector antenna, 2x 617-862 (R1), 2x 880-960 (R2), 2x 617-960 (R3), 4x 1427-2690 (Y3,Y4) & 8x 1695-2690 (Y1,Y2,Y5,Y6) MHz, 65° HPBW, 9x RET. All Internal RET actuators are connected in “Cascaded SRET” configuration