On PackageRadar website «Arrived at customs office of departure country» status means these statuses of EQuick:
With the use of our tracking form you can easily check the status of your package. Also if you want to tracking EQuick and get your package location updates to your e-mail, you can Register on our website.
EQuick — is not the only postal service that you can track at PackageRadar. See full list of postal services available.