Headwind GSM Modem Driver enables your PC to send SMS. All you have to do is connect your computer to your mobile phone, and Headwind GSM Modem Driver will automatically adjust the settings that suitable for your devices. Bundled with a user-friendly interface, you won’t have trouble navigating and learning to use this tool. Headwind GSM Modem Driver supports sending and receiving short messages, no gateway required (since SMS are sent from your SIM card), Long SMS and Unicode characters, a COM/.NET SMS API (so you can build your own application based on this driver).