AIRSIM Roam lets you manage your AIRSIM account, you can top up, buy data. Package and check your AIRSIM status anywhere and anytime. AIRSIM is a special SIM card that combines Soft SIM and Over-the-AIR (OTA). Technologies. When you travel abroad, our system will assign a suitable. Local SIM card to your AIRSIM according to your location. With AIRSIM, you.
