This is unclear.
- You talk about "this data" without telling what data?
- What is 'wireless data'?
You might be able to send data from a PC or laptop with Windows or Linux if you have a GSM dongle. Do you have that? But it seems easier to transfer those data to your Android phone and send it from there if it must be sent over GSM. Or even easier: copy it to dropbox (from building A or building B) and send only the download link with your phone (that's a short message you can do as SMS or via whatsapp).
Kees
I have two buildings within 100 meters. I called them and building A building B. Between buildings A and B is two audio channels and one data channel. In building B I need laptop/PC with relevant software to store this data and forward on GSM when it needed. What kind of software I need for laptop/PC and How can I forward stored data over GSM?

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