Features of Top Signal 75-ohm lightning surge protector
F-male connector on one end; F-female connector on the other end.
No jumper cable required: F-male end connects to antenna; F-female end connects to coax cable running to booster
0-3000 MHz frequency range
75 ohm impedance.
Attenuates < -0.2 dB
This product is usually used with RG6 or RG11 coax cable.