1. DC pass designed 50 Ohm N Type Female to Female compatible with 50 Ohm Cell Phone Signal Boosters, WiFi or WLAN Antennas, WiMax Base Stations, RFID Systems, CB Ham Two-Way Radio Antennas2. Protect your signal boosters amplifier system from dangerous Lightning-Patternstrikes or electrical surges by installing the n male to n female Lightning-Pattern arrestor between the amplifier and the outdoor antenna3. Designed for easy installation and manufactured the Lightning-Pattern surge protector with high quality metal to provide superior performance and longevity4. Frequency Range up to 3 GHz covers 2G 3G 4G LTE cellular, 2.4GHz 802.11a/b/g/n WiFi or WLAN network surge suppression5. Standard 90 V DC breakdown voltage gas discharge tube (GDT) Elements which can be easily replaced to provide multistrike capacity100% Brand New and High Qualitycolour: silverMaterial: metalPackage Contents:1 x RF Surge ArresterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.