Based on this product's specifications, here are some alternatives and similar models
Coaxial Connector SMA DeLOCK 89965
Summary description:
The DeLOCK 89965 coaxial connector features SMA type connections with RP-SMA compatibility. It has a width and depth of 15.2 mm, ensuring a compact design. This connector is ideal for applications requiring a 50 Ω impedance, providing reliable signal transmission. Packaged in a polybag, it is sold as a single unit, making it convenient for individual use or small projects.