Balun 1:9 Long Wire HF Antenna RTL-SDR Amplifier Ham Radio Dipole SMA Module 9:1
Balun One Nine includes an AntennaGuard varistor on the input, protecting your SDR setup from spurious ESD. Applications HF antenna balun, SDR/amplifier ESD protection. At 39.2mm x 13.0mm in total size (including connectors!).