SP-350 VNS Static Discharge Protector
Tax included.
DC - 3000MHz * 2x N-sockets * 50 Ohms * Through power rating of 400W * Insertion loss 0.1dB
Designed to prevent the dangerous build-up of static on aerials that can destroy the front-ends of receivers and transceivers. This is a very real risk and one that you can easily avoid.