Accurate RMS (.018″).No separation or weather cracking. No distortion from long-term ultra violet rays. High gain 70-75% efficient. Simple installation and design. 22.3 degree offset design solves snow problems. Hydroformed aluminum construction Rugged AZ-EL mount with fine tuning. INSTALLATION in 30 minutes or less! Extremely stable pointing accuracy. Meets and/or exceeds FCC Tx/Rx 2 degree spacing requirement.