Based on this product's specifications, here are some alternatives and similar models
Wireless Handheld Microphone Omnitronic FAS 660-690MHz — Dynamic, 660–690 MHz
Summary description:
Omnitronic FAS 660-690MHz is a dynamic wireless handheld microphone operating in the 660–690 MHz band. Designed for vocal and speech use, it provides cable-free mobility and straightforward operation. Ideal for live performances, presentations and events where reliable wireless transmission and ease of use are required.