Vivotek AM-525_V01 Outdoor adapter with 3/4" NPT female thread

Outdoor adapter with 3/4" NPT female thread FD9371-(E)HTV, FD9381-(E)HTV, FD836B-(E)HVF2, FD836B-(E)HTV, FD8382-(E)VF2, FD8382-(E)TV, With AM-51C supports: FE8181, FE8191, FD9371-(E)HTV, FD9381-(E)HTV, FD836B-(E)HVF2, FD836B-(E)HTV, FD8382-(E)VF2, FD8382