Based on this product's specifications, here are some alternatives and similar models
WLAN antenna DeLOCK 88339
Summary description:
The DeLOCK WLAN antenna features a flexible joint and offers a gain level of 2 dBi. Ideal for enhancing wireless network connectivity, this antenna is designed for easy installation and optimal performance. Its compact design allows for versatile placement, making it suitable for various environments. Perfect for improving signal strength and coverage in your home or office.