4 In 1 SMA-SMB RF Adaptor All Copper Gold Plated High Frequency Adaptor

1. Pure copper material, good frequency response2. Widely used in antenna, broadcasting, radio, Wi-Fi, coaxial cable, LMR, wireless LAN equipment, digital communication system, etc.3. Corrosion-resistant and resistant to plugging and unplugging, not easy to damage, not rusty4. Co