These are a group of GPO(SMP) connectors used for Cable.
Part Number List:
SMA Solderless End Launch Female Connectors,DC-18GHz
2.92mm Connectors for 086 /141 Coax Cable, DC-40GHz
2.92mm Female Solderless PCB Compression Mount Connector,2-hole Flange,DC-40GHz
2.92mm End Launch Connectors,DC-40GHz
2.92mm Female Field Replaceable Connector with Bulkhead Flange,10.8mm length, DC-40GHz