Mini-Whip Active Antenna Radio Receiver Short RTL-SDR Antenna Board Active Antenna Built-in Protection for Mobile Services

【BUILT-IN PROTECTION】The built-in protection of the mini-whip active antenna ensures safer operation, after multiple processes, the wave antenna board is durable and not easy to rust, easy to use, and can guarantee the quality 【HIGH-FREQUENCY LOW-RESISTANCE CAPACITORS】The input and output of the active antenna antenna board adopts high-frequency low-resistance capacitors, which greatly reduces the output ripple, increases the stability, and can achieve maximum accuracy and long-term durability 【NATURAL CONVECTION COOLING FUNCTION】This active antenna antenna board has a natural convection cooling function, and the wave antenna board is suitable for receiving radios and amateur radios in the shortwave range 【ELECTRONIC COMPONENTS】The wave antenna board uses high-quality electronic components, precise technology, high product durability, and undergoes rigorous testing to ensure the best quality and safer use 【GOOD CONTACT PERFORMANCE】The short active antenna has good contact performance to ensure stable work, stable performance and long service life, the wave antenna board can meet your actual needs