This is a high efficiency hemispherical pattern 2.4 Ghz antenna available for the Gizmo receivers.
We have noticed a range increase of nearly 70% by using these antennas instead of the standard coax ones.
Furthermore the hemispherical antenna reception pattern eliminates any risk of having a blind direction. Placing two of these antennas back to back enables a full spherical reception pattern with no weak areas. Just bare in mind that the usual masking rule still applies: the 2.4 Ghz signals can be masked by large metallic or conductive areas. So make sure to place your antennas away from carbon fiber/ aluminum/ conductive parts...
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