Based on this product's specifications, here are some alternatives and similar models
TV signal amplifier Triax GHV 935
Summary description:
The Triax GHV 935 is a high-performance TV signal amplifier operating at 47 - 1006 MHz. It features RF connectors and is powered by AC with a typical consumption of 7 W. The input voltage range is 190 - 264 V. Its compact dimensions (170 x 100 x 65 mm) make it easy to install, while the package dimensions are 230 x 130 x 70 mm. Ideal for enhancing TV signal quality.