B5c Packet Loss

Hi , i have a B5c Mimosa .
My radio has a packet loss problem when it has no bandwidth, but it has no packet loss problem when it has bandwidth
please guide me

Do you mean when there is traffic going through the B5c you do not see a packet loss issue, but when you pass traffic through the B5c you get packet loss?

Where are you seeing the packet loss?

How are you measuring the packet loss?

Are you seeing other issues with the equipment?