Based on this product's specifications, here are some alternatives and similar models
Antenna Navilock 60506 network antenna RP-SMA 27 dBi
Summary description:
The Navilock 60506 network antenna features a high gain of 27 dBi, operating at a frequency of 1.575 GHz. It has an RP-SMA female connector and requires a power supply of 3 - 5.5V DC with a low consumption of 15 mA. Compact dimensions of 38 mm width, 40.5 mm depth, and 3 mm height make it easy to integrate into various setups. Coaxial cables are included for convenience.