K-180WLA Active Loop Broadband Receiving Antenna 100kHz-180MHz 20dBi SDR Radio Antenna Loop Small Loop Short Wave Antenna
- 【Complete Protection Circuit】The K-180WLA Active Loop Broadband Receiving Antenna has a complete protection circuit for anti-reverse battery, over discharge, over charge, over current, and antenna terminal short circuit.With numerically-precision processed shells, PCB high-frequency design, feeder high-density dense copper pure copper 50-1.5 feeder, materials used Create an ultra-high cost-effective antenna for the entire network..
- 【High Quality】All the screws of the K-180WLA Active Loop Broadband Receiving antenna are made of 304 steel, and the preamplifier box is fully waterproof, which can be used for long-term outdoor wind and rain.It provides a gain of about 20DB, even when working to 450MHZ gain, there is still about 8.9DB..
- 【Convenience】The K-180WLA is an active loop broadband receiving antenna,built-in 3.7V 18650 flat head lithium battery. No external power supply required. The USB charging port is compatible with 5V charging plug and charging cables of Android phones. Using UHF low-noise preamplifier. The gain flatness is very good within the ultra-wide operating frequency of 0.1-180MHZ..
- 【Widely Used】The receiving frequency of this K-180WLA Active Loop Broadband Receiving Antenna covers long wave, medium wave, short wave, FM br....