Based on this product's specifications, here are some alternatives and similar models
Radio antenna Fracarro ANT1200A FM 2.1 dB 75 Ω
Summary description:
The Fracarro ANT1200A is a compact FM radio antenna with a gain of 2.1 dB and a 75 Ω impedance. Measuring 77 mm in length and 96 mm in width, it is lightweight at 900 g. Ideal for enhancing FM radio reception, it is designed for easy installation and optimal performance.