Germany Hopf 4496 product series are lightening arrester devices for coaxial cable and high frequency antennas of hopf time servers, which support Global Navigation Satellite Systems (GNSS), GPS, Galileo, GLONASS and BeiDou, to provide a synchronized, accurate, and reliable time. The 4496 product series protectors are designed to protect GNSS time servers. They support Global Navigation Satellite Systems (GNSS) GPS, Galileo, GLONASS and BeiDou against lightning, and unwanted events. They form the first level of protection for sensitive equipment and can be divided multiple times. The German lightning arrester 4496 is waterproof and equipped with replaceable gas discharge tubes (GDT).