The ZGTT60～86N-20 is used in the antenna feeder circuit of the radio communication station to suppress the inductive lightning wave from the antenna feeder line to protect the radio communication device from lightning strikes.

The ZGTT8～25D-60 Antenna Feeder SPD is mainly applicable to the antenna feeder of the radio communication station, suppressing induced lightning waves from the antenna feeder.

The ZGTT5N-10 Antenna Feeder SPD is mainly applicable to the antenna feeder of the radio communication station, suppressing induced lightning waves from the antenna feeder.