BCM94360CS2 Bluetooth signal reach problem

Using BCM94360CS2, Wifi is great but the Bluetooth range is horrible, it will only connect to my devices (Logitech MX master, Keychron K2, and Bluetooth earphone) when it's within 20cm from the antennas.

Using Asrock Z490m-itx and the antennas that came with the board, everything is connected, no loose cables.

Is there any way to solve the problem? could it a hardware problem? or just get another antenna?

submitted by /u/man1403
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