Based on this product's specifications, here are some alternatives and similar models
Omni-directional antenna DeLOCK 88428
Summary description:
The DeLOCK 88428 is an omni-directional antenna with a gain of 2.5 dBi, suitable for frequency bands 0.79 - 0.96 GHz, 1.71 - 1.88 GHz, and 2.5 - 2.6 GHz. It features a vertical polarization and a 50 Ω impedance, making it ideal for various wireless applications. With a height of 197.1 mm and a diameter of 2.8 cm, it is compact yet effective for enhancing signal reception.