RF controlled DC Motor | Miscellaneous › Others › RF controlled DC Motor This topic has 1 reply, 2 voices, and was last updated 7 years, 7 months ago by Ashutosh Bhatt. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 8, 2015 at 2:11 pm #4094 Ashutosh MohantyParticipant How to make the antenna for A-434 (434 MHz) Transmitter and Reciever ? The required range is within 10metres. Please be elaborate as this question comes from an amateur hobbyist. November 9, 2015 at 10:37 am #13471 Ashutosh BhattParticipant the antenna size is based on wavelength and wavelength = c / frequency where c = 3×1010 cm/s so just put ur frequency in above equation. you will get wavelength in cm. then antennal length can be wavelength/2 or wavelenght/4. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In