Based on this product's specifications, here are some alternatives and similar models
Directional antenna Navilock 12578
Summary description:
The Navilock 12578 is a high-gain directional antenna with a gain of 28 dBi, designed for optimal performance at a frequency of 1.575 GHz. It features a 50 Ω impedance and comes with a male RP-BNC connector. With a compact height of 127 mm and a diameter of 9.6 cm, it includes a coaxial cable for easy installation. Ideal for enhancing signal strength in specific directions, this antenna is perfect for various applications.