CablesOnline , 5-Pack RP-SMA Female Jack PCB Clip Edge Mount 1.6mm RF Connectors, RF-S902-5 Connector A: RP-SMA Female (outside threads + inner pin) Connector B: 4-Pin PCB Mount Commercial Grade SMA Series ; Gold-Plated Contacts ; Teflon Insulator Impedance: 50 Ohm ; PCB Mount Distance: ~ 1.6mm ; Pin Size : ~ 4mm x 1mm x 1mm 5x RP-SMA Female Jack PCB Edge Mount, Gold Plated RF Connectors