Nooelec 'Balun One Nine' - Ham It Up、SDR、その他の多くのアプリケーション用アンテナ入力保護付き、超 の1：9 HFアンテナバラン！

Balun One Nine v1 - Tiny Low-Cost 1:9 HF Antenna Balun and Unun with Antenna Input Protection for Ham It Up, RTL-SDR, HackRF and Other HF-Capable Radios. Great for DIY Dipole and Longwire Antennas

RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO HF Bias Tee SMA Software Defined Radio with Dipole Antenna Kit

NooElec Ham It Up Plus v2 - Extend The Range of Your RTL-SDR, NESDR or Other Radio Down to 300Hz. HF/MF/LF/VLF/ULF Upconverter and Panadapter w/TCXO & Switchable LNA/Passthrough Options