Based on this product's specifications, here are some alternatives and similar models
Cable combiner Axing SPU 41-02
Summary description:
The Axing SPU 41-02 is a high-quality cable combiner designed for frequencies ranging from 950 to 2200 MHz. With a compact size of 110 x 120 x 30 mm, it features a sleek grey and silver design. This device allows for efficient signal combining, ensuring optimal performance in your setup. Ideal for various applications, it enhances signal quality and reliability.