SMA Female to SMA Female Adapter, 4 Hole Flange, DC to 6GHz PN: A-SMAF-SMAF-371
N Female to N Female Adapter, 4 Hole Flange PN: A-NF-NF-288
N Female to N Female Adapter, 4 Hole Flange PN: A-NF-NF-072
N Female to BNC Female Adapter, 4 Hole Flange PN: A-NF-BNCF-097
BNC Female to SMA Female Adapter, 4 Hole Flange PN: A-BNCF-SMAF-299