Welcome to the store! 1. Female to Female: Coaxial UHF Lightning Surge Arrester (UHF Female) Socket to Socket (UHF Female), Coaxial Cable Lightning Surge Arrester. Comes with ground screw connection for easy installation. 2. Installation method: Connect a thick copper wire (8 or 10 gauge) from the ground screw on the side of the lightning arrester to the ground rod, the minimum length of the ground rod is 3 feet. 3. Low loss: UHF lightning arrester from DC 3GHz has reliable broadband performance, insertion loss 0.1dB and VSWR 1.2, replaceable 90V gas tube element has high surge suppression effect. 4. Applicable: Lightning surge arrester provides extremely low loss HF VHF UHF other frequency equipment. Suitable for CB radio, HAM radio equipment and two-way base stations. 5. Installation location: The protector is installed as close to the equipment to be protected as possible, usually where the coaxial cable enters the building, or it can be installed near the antenna for additional protection. Item Type: Lightning Arrestor Material: Metal Frequency Range: DC 3GHz Discharge Voltage: DC 90V Impedance: 50 Ohm Insertion Loss: 0.1 dB VSWR: 1.2 Maximum Power: 50W Maximum Allowable Surge Voltage: 200 mV Throughput Energy: 5 nJ Maximum Current Load: 10A Packing List: 1 x Lightning Arrestor Package Weight: about 200 grams. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!