4,5 meters 35Mhz cable receiving antenna
Increases by 4 the length of the antenna of your radio receiver control 35 Mhz and you would increase to the reach of radio frequency between 2 and 4 times.
Length: 300000/ Frecuency, It`s the full wave.
length for Rx 35Mhz it`s half wave. 4,26 m