Jieotwice JYR4010-150W End Fed Half Wave Antenna for Ham Radio, Shortwave Radio Antenna

JYR4010-150W End-Fed Antenna is a versatile HF antenna designed for amateur radio enthusiasts seeking portability and simplicity. Its unique single-end-fed structure combines a 1:49/1:64 impedance transformer with a 20m/40.7m radiator (4-band or 8-band options), eliminating the need for an antenna tuner. Perfect for emergency communications, portable operations, or stealth setups in urban environments. Specifications: Radiator: 2.5mm² wire (20m or 40.7m). Bands: 10/15/20/40m (4-band); 8-band with extended radiator. Power Rating: SSB <150W, CW <120W, FT8 <80W. Transformer: 1:49 or 1:64 unun. Weight: 1.6kg. Installation Guide: Mounting: Stretch the radiator using non-conductive ropes (included). Allow slight sagging; avoid metal supports. Clearance: Maintain >3m distance from non-metallic obstacles (walls, trees) and >5m from metallic objects (wires, railings). Height: Elevate as high as possible for optimal performance. Lifespan: Ropes last ~5 years; inspect every 6 months for wear.