The 245AT42A1 from Johanson Technology is compact ceramic antenna that operates from 2.4 to 2.5 GHz. It has an average gain of -1 dBi with a return loss of 9.5 dB min and can handle up to 3 W of power. The antenna is matched to 5 Ohms and measures 5 x 2 x 1 mm.
