Based on this product's specifications, here are some alternatives and similar models
Antenna DeLOCK 86286
Summary description:
The DeLOCK 86286 network antenna offers a gain of 1 dBi and operates within the frequency bands of 2.4 - 2.4835 GHz and 5.15 - 5.875 GHz. It supports various networking standards including IEEE 802.11a/b/g/n/ac/h. The antenna features an MHF connector with a male gender and a cable length of 0.25 m. Compact dimensions of 20 mm width, 7 mm depth, and 1.9 mm height make it suitable for various applications. Ideal for enhancing wireless connectivity.