Based on this product's specifications, here are some alternatives and similar models
Directional antenna MikroTik 2.4Ghz Dipole
Summary description:
The MikroTik 2.4Ghz Dipole Directional Antenna offers a gain level of 5 dBi, operating within the 2.4 - 2.5 GHz frequency band. It supports IEEE 802.11b/g/n standards and features an RP-SMA male connector. With a compact depth of 147 mm and a lightweight design of 30 g, this antenna is ideal for enhancing your wireless network performance.