Based on this product's specifications, here are some alternatives and similar models
Omni-directional antenna DeLOCK 12455
Summary description:
The DeLOCK 12455 is a 50 Ω omni-directional antenna with an SMA male connector. It features a compact design with a height of 65 mm and a diameter of 14.4 cm, weighing only 1.2 kg. With a power consumption of 15 mA, it is efficient for various applications, providing reliable signal reception in all directions.