Professional Loop Antenna Professional Small Loop Antenna Features Wide Frequency Range: The small loop antenna efficiently receives signals from 50KHz to 500MHz. It is compatible with various radio devices and supports multiple frequency bands including HF, AM, FM, VHF, UHF, and SDR. Enhanced Voltage Gain: Utilizing Mobius loop technology, this antenna doubles the voltage gain compared to typical small loops, resulting in superior signal reception and improved performance. Interference Reduction: An electric field shielding ring reduces interference from environmental factors, such as electrical fields during thunderstorms. Versatility and Ease of Use: The antenna's design is straightforward. The small ring can be replaced with a thicker conductor if desired. Its versatile top jumper board allows functionality changes by adjusting the switch position. Compact Design: Despite its capabilities, the antenna's small loop design ensures it's easy to set up and suitable for diverse installation environments. Specifications Receiving Frequency Range: 50KHz to 500MHz Gain: 17dB @10MHz Output Noise: -125dbm (@10MHz, BW = 100Hz) P1dB: +15.5dBm @10MHz OIP3: +38dBm @10MHz Supply Voltage: 9V to 12V Power Supply Current: 130mA to 150mA Antenna Interface: SMA(m) Output Interface: SMA(f) Small Ring Coaxial Cable Model: RG402 Loss of Small Ring Coaxial Cable: 0.145db/m Small Loop Antenna Diameter: 60cm Package Size: 380 x 300 x 80mm Package Included 1 x Small Loop Antenna Amplifier Board 1 x Earphone Jack Adapter Cable 1 x Top Jumper Board 2 x Small Loop Coil (RG402 Coaxial Cable) 1 x 7m Feeder Cable 1 x 1m Feeder Cable 2 x Adhesive Hooks 1 x EVA Storage Bag