N Female to SMA Female Precision Adapter, 4 Hole Flange PN: P-NF-SMAF-312
N Female to SMA Female Precision Adapter, 4 Hole Flange PN: P-NF-SMAF-125
N Female to SMA Female Adapter, 4 Hole Flange PN: A-NF-SMAF-239
BNC Female to SMA Female Adapter, 4 Hole Flange PN: A-BNCF-SMAF-299