Experience enhanced radio listening with our cutting-edge device that efficiently converts aviation band signals (118MHz-138MHz) into the SW shortwave band. Designed for avid radio enthusiasts and travelers, it provides unmatched performance and convenience. Features: Effortless Frequency Conversion: Tune in to aviation communications on regular SW radios with our device's efficient signal conversion. Integrated High Impedance Amplifier: Enjoy superior signal reception and clarity for versatile and efficient use. Versatile Antenna Compatibility: The device supports various antennas like magnetic rods, passive small loop antennas, and whip antennas for flexible setups. Portable Design for Convenient Use: Compact with a built-in 700mAh battery and USB-C charging port, it's perfect for home use or travel. Extended Battery Performance: Offers up to 60 hours of operation as a high-impedance amplifier and up to 23 hours as a frequency converter. Specifications: Name: Frequency Converter Material: Metal Type: 100M, 110M (optional) Battery: Built-in 700mAh lithium battery (included) Input Frequency Range: 118MHz-138MHz Frequency Conversion Gain: Approximately 10db Hiz Amplification Frequency: 1KHz-150MHz Charging Port: USB-C Operation Time: 60 hours (High Impedance Amplifier), 23 hours (Aviation Frequency Converter) Item Size: 45 * 48 * 19mm / 1.77 * 1.89 * 0.75in Package Size: 75 * 75 * 30mm / 2.95 * 2.95 * 1.18in Package Weight: 93g / 3.28oz Packing List: 1 x Frequency Converter 1 x USB-C Charging Cable