90 Day Validity</br>Inmarsat SIM card with 100 units of airtime</br>*Calls to a standard landline or mobile number charged at 1.3 units per minute. Calls to other numbers may incur higher charges.</br></br>Product Description</br></br>Inmarsat SIM card with 100 units of airtime (1.3 unit equivalent to 1 minute of call time to a landline or mobile?? or 2 SMS messages per unit)?? valid for 90 days from date of activation. Please contact us to activate the SIM; activation can be scheduled for a future date if you do not wish to have the SIM activated immediately.</br><br/>http://www.amazon.com/gp/product/B00S1QH6BQ