Features: These SMA female bases are made of high quality brass for durability. They have good reliability, strong vibration resistance and great electromechanical properties. SMA female bases fit for many wireless modules, for connecting antenna, welding PCB and antenna sockets. Widely used for wireless devices, equipments and ground transmission system in vibratory and harsh conditions. There are total ten pieces of connectors in this set that you may use for many projects. Specifications: Material: Brass Surface Finishing: Gold plating Type: SMA Female, outer thread, drift angle Pitch: 1.6mm Temperature Range: -65~+165℃ (PE Cable -40~+85°C) Vibration: MIL-STD-202, Method 213 Characteristic Impedance: 50Ω Frequency: 0~6GHZ Working Voltage: 335V max (effective value) Resistance to Pressure: 1000V rms (sea level minimum value) Durability: ≥500 cycles Quantity: 12pcs Weight: 18g(approx.) Package Includes: 12 x SMA Female Base