High-quality CREDX/JUNG JIN SG-1501 FM Stereo/AM-FM Signal Generator designed for precision and reliability. Features durable metal casing with anti-interference shielding for stable performance in lab or workshop environments. Advanced circuit design ensures low distortion and high accuracy for audio testing, radio repair, and electronics development. Compact and lightweight with smooth frequency adjustment knobs for effortless operation. Ideal for professionals and hobbyists in broadcasting, engineering, and educational institutions. Factory-tested used unit fully functional with minor cosmetic wear. Ships worldwide with bulk order discounts available.