Bomar Interconnect Products - ADPT2 - Connector Kit RF Universal Adapter Male and Female 8 Types Plus Universal - Allied Electronics & Automation, part of RS Group
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N to UHF Adapter Kit SO-239 PL-259 RF Coax Connector Male to Female 732387206705 | eBay
30 piece RF Adapter Kit includes UHF, BNC, N, TNC, SMA, Mini-UHF | Powerwerx
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