TNCA Female to N Female, 4 Hole Flange Precision Adapter PN: P-NF-TNCAF-311
SMA Female to N Female Precision Adapter, 4 Hole Flange PN: P-NF-SMAF-312
SMA Female to N Female Precision Adapter, 4 Hole Flange PN: P-NF-SMAF-125
N Female to N Female Precision Adapter, 4 Hole Flange PN: P-NF-NF-179