The 1575AT43A4 from Johanson Technology is a linearly polarized, omnidirectional chip antenna that operates in a three bands – GPS, BDS and GLNSS at 1561 MHz, 1575 MHz and 162 MHz respectively. It has a peak gain up to 1 dBi, an average gain of -2. dBi and a return loss of 9.5 dB. The antenna has an average radiated efficiency up to 5 % and can handle up to 3 W of CW power.
