Based on this product's specifications, here are some alternatives and similar models
InLine TAE-N Adapter TAE-N male / RJ11 female 6P4C
Summary description:
The InLine TAE-N Adapter features a TAE-N male connector and an RJ11 female connector (6P4C). It is designed for reliable connectivity in telecommunication applications. The adapter is compact and easy to use, making it ideal for connecting devices with different connector types. Its black color adds a sleek look, ensuring it blends well with your setup.