... and signal connection necessary for testing mobile phone ,wifi ,bluetooth ,gsm,gps and wireless communication ,EMI ,Coupling and RF functional , ... close controlSafety Protective ShieldCustomization to meet various data and RF connector requirementsCustomized fixtures that are easily and quickly swappableRed and Green ... ,SMA(f)-SMA(F),SMA-SMA Products Company Corner gsm base station Test Shielding Box