HOLLAND SA-1F F Male to F Female, In-Line Spike Protector
In-Line Coaxial Surge Protector - Prevents dangerous transient spikes from damaging digital set-top boxes, cable modems, satellite receivers and other equipment in use on a coaxial cable line.

Specifications:
Electronic Clamping IC (SIDACtor)
Protects at Lower Voltages
Does Not Degrade with Repetitive Spikes

Spec Sheet