User's Manual

LE920A4 HW User Guide Application Guide
Doc#: 1VV0301261 Antenna Detection
Rev. 4.3 Page 107 of 123 2017-12-07
NOTE:
The application board must support accessible test pads on the GPIO_20
and WCI_RX signals to enable the download recovery modes mentioned
above.
Antenna Detection
The module provides an antenna detection application, indicating for each of the cellular
and GNSS antennas whether it is shorted to ground or open.
Refer to Ref 7: Antenna Detection Application Note.