Generally speaking,to enjoy a clearer picture.We reconmmend thatyou use a CATV system or an outdoor antenna.In different places,the suitable antenna type and position are different.Note£ºIt is recommended that you had better use 75 ¦¸coaxial to remove thedisturbance caused by airwave.Do not lay the twin-lead cable under the TV set.You need the suitable coaxial cable. and plug to receive the best pictureand sound.300 twin-lead cable75 coaxial cableAntenna adapter£¨£©additionalpurchasePlug£¨£©additionalpurchaseMixer£¨additionalpurchase£©AC power socketAntenna input£¨75 standardcoaxial type£©AC cableConnecting Additional EquipmentsAntenna connectionANT.