Exactly.
But this buyer is not a regular buyer, he is not getting a tracking number and refreshing some random website to see where it's shipment is.
The buyer must have been with the goods from a point before it reached its destinated country.
There are so many plays that had to play here in order to orcestrate this.
Should make a really good heist movie, just with a different prize at the end.
You find where the pagers are coming from. They probably had a supply chain going to cycle through pagers. 2,700 pagers being replaced regularly is an easy target.
They have to want new pagers in a hurry.
So you just need to convince them that their phones are all already compromised.
Note that this does not require that their phones actually be compromised.