Based on this product's specifications, here are some alternatives and similar models
Network Antenna DeLOCK 86388
Summary description:
The DeLOCK 86388 network antenna features a gain level of 1.6 dBi and operates on a frequency band of 5.8 GHz. It supports various networking standards including IEEE 802.11a, b, g, n, ac, and h. The antenna is equipped with an F-type connector and has dimensions of 60 mm width, 215 mm depth, and 70 mm height, making it a compact solution for enhancing wireless connectivity.