Is it possible to transmit RF signals via internet and then receive the signals on Android and iPhone Apps (via internet) without any hardware requirement? Thanks much in advance for your suggestions and answers.
3 Answers
You can send anything over the internet if you can convert it to a digital format.

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So you saying if we use a GPRS connection between both devices then the RF signals can be transmitted and received in Android/iPhone mobile without hardware? – user2845247 Oct 09 '13 at 11:45
No its not possible without using hardware.The app itself will not send RF signal. The app is just the logic that control a RF hardware.

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I had a thought, whether RF signals can be detected when turning on WiFi on mobile, because that's how WiFi works right? RF signals can be 2.4/5GHz just like how WiFi transmits. – user2845247 Oct 09 '13 at 11:51
No but your question is vague. I think you want to know whether or not you can control the wireless antenna receiver to detect any RF signal and extract (e.g. convert to baseband) and display the information in some type of format. Without any additional hardware this is practicality impossible. Rf signals that are not specifically designed to be picked up by the "internet" are just noise (interference), if out of band they are attenuated, otherwise they produce garbage and will mess up the content of the "internet" signal. Similar to what happens to your car radio signal when you drive near heavy duty high voltage transmission lines.

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