This is the newest version of IBCrazy's Helical Antenna.
Suitable for moderate and long range and relatively high directivity, this helical antenna from "IBCrazy" is circularly polarized with exceptional axial ratio and multipath rejection.
It is extremely broadband: 100MHz @SWR < 1.5
Match this with a cloverleaf or skew planar wheel transmit antenna for best performance.
Right Hand Circular Polarized (RHCP)
Gain = 9.5dBic