Based on this product's specifications, here are some alternatives and similar models
Omni-directional antenna DeLOCK 12616
Summary description:
The DeLOCK 12616 is an omni-directional antenna with a gain of 1.64 dBi, operating in the frequency band of 0.863 - 0.928 GHz. It features a 50 Ω impedance and SMA male connector. With a compact depth of 10 mm and height of 170 mm, it is ideal for various applications requiring reliable signal reception.