I'm not sure if you can use GSM in a peer to peer manner; but even if you would devise a way to do it in software (that is, rewrite the firmware in a GSM radio or such), I'd guess the range would not be as if you're communicating via a BTS, as both sides would be using poor, built-in antenna.
Mobile Wireless Technology
General Tech Technology & Software 2 years ago
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Posted on 16 Aug 2022, this text provides information on Technology & Software related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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Best Answer
2 years ago
Nowadays, most smartphones (or other smart mobiles) have some kind of wireless communication for short range and medium range. For short range, the most widespread technology in use is, probably, WiFi:
For medium range, the most widespread technology in use is, probably, GSM:
The differences between such technologies are mainly due to the communication protocols and the operating frequencies. Each one optimized for its own specifications.
1st Issue
Sometimes, when a technology has several updates and add-ons (as is in this case), it is not that easy to develop a simple comparison table. Therefore, does the simplified comparison above make sense or is it too unrealistic?
2nd Issue
It is well know that software developers can use WiFi features to transfer packets directly between mobiles. However, if you want to increase the range, is there any hardware constraint that would undermine using the GSM radio module (or other widespread mobile wireless technology for medium range) to transfer packets directly between smart mobiles?