Post Paid SIM Card Activation Required - OrangePostpaid Iridium Service subscriptions are a great option if you use a satellite phone on a regular basis or for a prolonged span of time. You&';ll get detailed call records each month and the convenience of uninterrupted service without having to manage usage and airtime online. You&';ll pay a monthly or annual service fee and you&';ll get the option to choose from competitive airtime bundles and pooled minutes between multiple users.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.