DELOCK 65857: Adapter SMC jack > BNC jack at reichelt elektronik
Amazon.com: onelinkmore SMA to BNC Adapter Kits for SDR,Handheld Radios, Scanner,Walkie Talkie Adapters SMA Male Female to BNC Male Female RF Coaxial Adapter SMA to BNC Adapter Digikey Coax Connector 4 Pieces :
SMC Female (Jack) to BNC Male (plug) Adapter, 1.35 VSWR
4 Hole Flange Mount BNC Male Quick Push-on to SMA Female Adapter