The 245AD47A159 from Johanson Technology is a small chip antenna for GPS/GLNSS+BLE/WiFi/WLAN for portable, wearable fitness and tracking systems. This small antenna component has two separate antenna feeds, one for 2.45GHz functionality (WiFi and or Bluetooth) and positioning location systems, saving designer precious board space while maintaining high performance. It operates from 1561 MHz to 25 MHz with a peak gain of under 1.5 dB, an isolation of up to 2 dB and return loss of 9 dB. The antenna has a radiation efficiency of 83% and can handle up to 2 W of CW power.
