This antenna is made by superior RF engineer by hand, precisely measured and tested, it's the best 433mhz antenna you can find in the world!
compare with the 1/4 wave length normal stock antenna for your UHF like Dragon link, Thomas UHF or other 433 mhz system, this antenna will crazily boost your range, normally double it!
lengh: 37cm in total including the SMA socket
material: high grade brass SMA socket and soft rubber body
wave length: 1/2