Topiky 9‑12V Active Loop Antenna, 50K‑500MHz 17dB Active Shortwave Radio Loop Antenna, Portable Receiving Antenna, Small Loop Full Band Active Loop Wideband Receive Antenna,(Topikywgb7naxez1)

Product description

• COMPLETE CIRCUITS Such as anti battery reverse connection, over discharge, over , over current, and short circuit are built into the active loop broadband receiving antenna.
• WIDE WORK RANGE No external power supply is needed. It works in a frequency range from 50kHz to 500MHz, covering long , medium , short , FM broadcasting frequency range, and VHF aviation frequency range.The gain flatness within the working bandwidth is very good. It provides approximately 17dB gain and still has about 7dB gain even when working at 450MHz.
• FINE WORKMANSHIP The shell is CNC processed, with high frequency PCB design and high density copper 50 1.5 feed line, using premium materials to create a highly antenna with excellent performance.
• WIDE APPLICATION The diameter of the high frequency radio antenna is 60cm, which can be installed outdoors, on balconies, and on rooftops without occupying too much space. The preamplifier box is completely waterproof. It is the best short radio antenna for those who cannot hanging long wires high in a quiet rural environment.