DVB-T’s front end covers a frequency range of about 24 MHz to 1800 MHz.
Strong signals which are even far away from 1090 MHz, but are still within 24 MHz to 1800 MHz range, can overload and de-sence the DVB-T’s front end.
It is wise to determine what and how strong RF signals exist in this band at your location .
Spektrum - How-to Speedily Scan RF Noise in band 24MHz ~ 1800MHz
Scan 1 of 3 - FA Antenna + Generic DVB-T (no internal or external filter)
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Scan 2 of 3 - FA Antenna + ProStick Plus (Only Internal filter of ProStick Plus. No External filter)
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Scan 3 of 3 - FA Antenna + ProStick Plus (with internal filter) + External Filter (FA Light Blue)
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