Features: brand new and high quality Mini-Whip MF/ HF / VHF / SD R antenna or miniwhip shortwave active antenna is suitable for ore radio and tube (transistor) radio, meanwhile, RTL-Sd r receives Using high-quality PCB board, it is with continuous connection, via precision craft by many experts. Its effective frequency band includes medium, short and ultra short waves. And you can use it in confidence. Such an antenna is entitled with high performance according to strict rule, and it is easy to use in the practical life. Made of Metal + PC materials in high quality, it can get great popularity, entitled with practial adoptability. Specifications: Item Type: Antenna Uses: For ore radio, electron tube (transistor) radio Accessory Type: USB to for DC cable Compatible: For RTL-SD R Color: Green Material: Metal + PC Applicable Environment: Indoor, outdoor Voltage Range: 9V-15V Size: approx. 113x32mm/4.45x1.26in Package Includes: 2 x Antenna PCB Board 3 x Connection Line note: Light photography and different displays may cause the colors of the items in the picture to be slightly different from the actual items. The measurement tolerance is +/- 1-3 for cm.