Thingiverse
protector for 2.4Ghz Biquad (linear polerized) by Thesquirlmaster
by Thingiverse
Last crawled date: 4 years, 7 months ago
this is a quick and dirty protector for IBcrazy's 2.4 GHz Biquad found here: http://www.rcgroups.com/forums/showthread.php?t=1328260
fits a 4.79 square inch reflector, you need to print this twice, for a total of 4 pieces.
I am not IBCrazy, if you are in the market for FPV antennas I highly recomend his Blue beam antenna set.
Everything below is quoted from IBCrazy in the above link:
Full wavelength in cm = 29800/f in MHz
2450MHz (2.4GHz) = 4.79”/12.16cm
Section length (this is simply your full wave length divided by 4):
Section length in cm = 7450/f in MHz
2.4GHz = 1.197”/3.041cm
Element spacing (this is your full wavelength/8):
2.4GHz = .6”/1.52cm
The reflector should be square cut with sides of your full wavelength measurement.
The reflector size is not critical, so do not worry about being off by a small margin on its size.
Q: How is this antenna polarized?
A: If the bowtie is across (horizontal), the polarization is vertical. ie mount it with the bowtie horizontal, if it looks like an "8", you are out of polarization.
fits a 4.79 square inch reflector, you need to print this twice, for a total of 4 pieces.
I am not IBCrazy, if you are in the market for FPV antennas I highly recomend his Blue beam antenna set.
Everything below is quoted from IBCrazy in the above link:
Full wavelength in cm = 29800/f in MHz
2450MHz (2.4GHz) = 4.79”/12.16cm
Section length (this is simply your full wave length divided by 4):
Section length in cm = 7450/f in MHz
2.4GHz = 1.197”/3.041cm
Element spacing (this is your full wavelength/8):
2.4GHz = .6”/1.52cm
The reflector should be square cut with sides of your full wavelength measurement.
The reflector size is not critical, so do not worry about being off by a small margin on its size.
Q: How is this antenna polarized?
A: If the bowtie is across (horizontal), the polarization is vertical. ie mount it with the bowtie horizontal, if it looks like an "8", you are out of polarization.