Our sub 1GHz RF chips are made to cover the most used ISM bands and the most interesting geographical regions. It is up to the customer to make a product that comply with the regulations within the region the product will be sold. The regulation in a given area cover a lot more than just the frequency and which regulation to comply to is dependent on the type of product. We don't have a full overview, just the regions we normally sell to.
Please check if it is legal for your company to export to Iran (local export policies).