Helical Axial Mode 5.8 GHz HELIAXIAL is a high gain, directional antenna, ideal for use with an FPV video receiver for achieving long ranges. With a minimum of 12dB of gain, this antenna combined with a Skew Planar Wheel Antenna in the video transmitter offers over 1 km of FPV range. The helix is made of enameled copper. The start of the helix runs parallel to the reflector, which means that the reflected signal will reach the emitter attenuated at least 10dB with respect to the desired signal, which is great to prevent reflected signals from interfering with the direct signal during FPV.
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