The Easy 2 use 1-9 Balun is a versatile module designed for long wire and dipole antennas, specifically for SDR and ham radio use. With an SMA output, this compact module from China measures 39.2mm x 13.0mm and has a maximum input power of +28dBm. The antenna input is a spring-loaded terminal block, making it easy to set up and use for your radio frequency amplification needs. Ideal for those looking for a reliable and efficient solution for their antenna setup.