Happymodel 2.4g omnidirectional antenna for ELRS - 90mm

Happymodel 2.4g omnidirectional antenna for ELRS - U.FL also compatible with TBS Tracer, 90mm in length. Specifications: Frequency  (MHz): 2400.0 Efficiency (dBi): -0.89 Gain (dBi): 2.23 Efficiency (%):  81.46 Directivity...