One standard 150mm FrSky receiver antenna - suitable for any FrSky 2.4GHz receiver with 'snap on' u.FL/IPX connector (X4R, X8R, etc.). One standard 150mm FrSky receiver antenna - suitable for any FrSky 2.4GHz receiver with 'snap on' u.FL/IPX connector (old style X4R, X8R. Newer ones have the smaller connector).
Diameter of round gold connector ~3mm.
** Newer FRSKY receivers have a smaller connector - see comparison pictures to make sure you order the correct one. See related items for the smaller version**