Based on this product's specifications, here are some alternatives and similar models
Network Antenna DeLOCK 89014
Summary description:
The DeLOCK 89014 network antenna features a 50 Ω impedance and linear polarization, making it suitable for both indoor and outdoor use. With an IP67 rating, it is protected against dust and water, ensuring durability in various environments. This antenna is ideal for enhancing network connectivity and performance.