Nokia 471812A FYEA GPS Surge Protector Kit
Flexi GPS Surge Protector Kit (FYEA) is available as an optional unit to protect the System Module from transient voltage and current spikes. It is installed to the GPS antenna line. The surge protector is particularly useful in locations with a high lightning risk.
Additional Nokia GPS antenna-related:
FISE GPS Cable | FYGB GPS Antenna | FYMA GPS Antenna Mounting Kit