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Questions tagged [radio]

Do not use this tag for Radio buttons. Radio is the transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light, or a device for doing the same. Radios are typically used for communication including voice, video and data. This includes Wi-fi, Bluetooth, Mobile phones, GPS, Radar, some remote control devices and near field communication devices (NFC) such as contactless smartcards.

Radio is the transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light, or a device for doing the same. Radios are typically used for communication including voice, video and data. This includes Wi-fi, Bluetooth, Mobile phones, GPS, Radar, some remote control devices and near field communication devices (NFC) such as contactless smartcards.

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SDR kit with 2.4GHz RF frontend?

Do you know a SDR (Software Defined Radio) kit with a 2.4GHz ISM band (2400MHz - 2483.5MHz) transceiver? I need to perform some software defined radio including customised modulation. Also the price for one kit should be at maximum $1000. I know…
Bjarke Freund-Hansen
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reception of radio waves with an android phone

Good evening everybody, I would like to develop an application under android, which can receive frequencies from a radio stations. My idea is to scan the radio frequencies between two values. ie, "scan" between a minimum frequency and maximum…
Aisthesis Cronos
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Arduino Weather Station, Radio signals

In the project, there are three arduinos (stations). Two stations have sensors that capture the temperature and humidity of the environment and send it to the other station, which is the "central", by radio signals. The central receives data from…
adryan
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Use Cellphone To Detect Serial Number

Wondering if there is any possible way to read a serial number of a microchip of some sort from roughly 10ft with a Cellphone? Whether it be a RF tag, Bluetooth tag, or anything else? The microchip must be very small, something that can be sewn into…
Dylan Sowtis
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Watermarking sound, reading through iPhone

I want to add a few bytes of data to a sound file (for example a song). The sound file will be transmitted via radio to a received who uses for example the iPhone microphone to pick up the sound, and an application will show the original bytes of…
Tedd Hansen
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Detecting a near by AM/FM Radio

I am a newbie android developer, so pardon me if this question seems too obvious. I want to create an app that would detect any nearby radios (by nearby I mean 15-20 feet, not far), say a radio in the living room, or detecting the radio in my car…
user1652925
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