RF radio frequency chip/antenna

11-tooth external thread female needle SMA—KE positive square (180 degrees); salt spray 48H, copper gold-plated 1: high-grade brass material plated with real gold; 2: pure copper with no impurities and high quality can pass environmental protection certification; 3 : After 48 hours of high-precision salt spray; 4: Prevent oxidation, good oxidation resistance, corrosion resistance, and reduce loss.