bestkong 2PCS Premium N Female to Female Connector, Bulkhead Silver Panel Mount Adapter N female to female Adapter; Impedanec:50 Rubber ring for water proof Easy mounting. Package item include:2pcs Used for WiFi, FM radio, radar, Bluetooth, GPS, base stations, antennas, PC/LAN, satellite telecommunications, and more! 1 YEAR warranty, Ship a new item to you if the item does not work within 1 year