Based on this product's specifications, here are some alternatives and similar models
Omni-directional antenna DeLOCK 12545
Summary description:
The DeLOCK 12545 is an omni-directional antenna with a gain of 2 dBi, designed for frequency bands 0.698 - 0.960, 1.710 - 2.170, and 2.300 - 2.700 GHz. It features a male SMA connector and operates at an impedance of 50 Ω. Compact dimensions of 45 mm x 45 mm x 77 mm make it suitable for various applications. Ideal for enhancing signal reception in multiple directions.