Selling cell module

We’re moving out of our house and leaving our security panel behind. I want to sell my wireless cell module to recoup some of the money I spent. I’ve requested cancellation of our service with surety. How do I get the cell module de-registered? Will it happen automatically? Is the card worthless now? What can I do to make it so someone else can make use of it in a different alarm panel.

No worries. It will be unregistered the moment your account is canceled. We would never keep a module locked. It’s yours.

It’s 4G LTE so, no, it’s not worthless. It can be reused.