Hello friend! It is under 10dbi
The WS5200 is a high-speed wireless router designed for homes and small offices. Complies with 802.11b/g/n/ac multiple-input multiple-output (MIMO) technology and provides 4 external high-gain antennas. This enhances wireless performance, improves wireless signal stability, increases wireless network range, provides a transmission rate of up to 1200 Mbps.

Thanks!