9: 1 impedance transformer (BALUN) Connect with BNC connector 409shop,walkie-talkie,Handheld Transceiver- Radio
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450:50 (9:1), Receive Only - "N" connector Input, Top Stud Output, Bottom stud for counterpoise/radial/ground - coax input, unbalanced 450 ohm load output for end fed antenna
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Piswords Portable Balance Unbalance Ununtenna 10w Balun 9:1 Unun With Bnc Interface And Long Cable - Communications Parts - AliExpress
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