Spec: Item Type: Shortwave Choke Ring​ Material: PC Frequency: 1.8-30MHz Power: 600W How to Use: Insert and use with the connection head. PackageList: 1 x Shortwave Choke Ring​ Effective Noise Suppression: This 1.8-30MHz shortwave choke ring targets common mode currents, minimizing RFI and stabilizing your signal for clearer communication. High Power Handling: Built for demanding use, it reliably supports operations up to 600W, maintaining performance without saturation. Quick Inline Setup: Features integrated M male to M female connectors for connection between your radio and feeder line. Stable & Resilient Design: Constructed with premium PC material and winding technology for consistent operation in various conditions. Versatile Ham Radio Tool: A key component for optimizing systems, use it to enhance your station's efficiency and reduce unwanted interference. ASIN B0G61BHCM1 Brand Fafeicy Item Weight 0.1 kg Manufacturer Fafeicy Model Number Fafeicynexig3wkcq Mfr Part Number Fafeicynexig3wkcq