Open box wireless bridge. Device itself seems to be marked as model CPE520. See pictures.

The Open Box Wireless Bridge CPE520 is a 5.8G 300 Mbps Point to Point WiFi Outdoor CPE designed for use with personal computers. It features a single-band frequency band class and a maximum LAN data rate of 1200 Mbps. This wireless bridge includes components such as metal hoops, a user manual, PoE adapters, wireless bridges, and network cables. It is recommended for monitoring purposes and has a Gigabit RJ45 port for connectivity. The CPE520 also has a transmission distance of 3KM, making it ideal for outdoor use. Its 16dBi high-gain antenna and WPS special feature ensure reliable and secure wireless communication.