Based on this product's specifications, here are some alternatives and similar models
Antenna DeLOCK 86270
Summary description:
The DeLOCK 86270 network antenna offers a gain level of 2 dBi and operates on 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. With a compact design, it features a coax cable of 0.2 m in length and comes in black and grey colors. Ideal for enhancing wireless connectivity.