The AL-FFFF-9 is a lightning surge protector designed to operate in systems up to 3 GHz. It is configured with two F-Female connectors, featuring 3/8-32 UNEF-2A threading, for easy installation into a coaxial cable run. The protector is constructed with a durable aluminum body, a gold-plated brass contact, and a PTFE insulator to ensure reliable performance. A grounding terminal that accepts up to a 10 AWG wire is provided for effective surge dissipation. This device is ideal for protecting sensitive RF equipment from electrical surges and lightning strikes.