ZED-F9P-Integration Manual
UBX-18010802 - R01
4 Electromagnetic
interference on I/O lines
Page 38 of 64
Objective Specification - Confidential
For GSM applications, like a typical handset design, an isolation of approximately 20 dB can be
reached with careful placement of the antennas. If this is insufficient, an additional SAW filter is
required on the GNSS receiver input to block the remaining GSM transmitter energy.