Based on this product's specifications, here are some alternatives and similar models
Directional antenna PLANET ANT-FP14AD 14 dBi N-type 5.15-5.85 GHz
Summary description:
The PLANET ANT-FP14AD is a directional antenna with a gain of 14 dBi, operating in the frequency band of 5.15 to 5.85 GHz. It supports IEEE 802.11a and IEEE 802.11n networking standards. The antenna features an N-type female connector and is designed for enhanced signal directionality, making it ideal for long-range wireless communication. Its compact dimensions of 228 mm x 15 mm x 228 mm ensure easy installation.