musicplayer VS ubertooth

Good question, I used PDM to play a song with vocals ( https://github.com/anfractuosity/musicplayer ) by twiddling the memory bus and picking up via an AM radio. So wouldn't be surprised if it was possible with an LCD.

The 2.4GHz spectrum is shared between Bluetooth and WiFi 802.11b/g. A few years ago, I was doing some work using an Ubertooth-One scanner (https://greatscottgadgets.com/ubertoothone/). It was showing the traffic on different channels.

My wife stuck a burrito to warm up in the microwave a room away (30-40 ft). This was with a brand-name model, so presumably properly shielded, etc.

Nope. The entire spectrum just went white with noise on all channels.

Once the microwave cycle ended, it still took a good 15-30 seconds before the airwaves calmed down and went back to normal traffic.

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I think these are : Proxmark3 HackRF One USB RUBBER DUCKY Flipper Zero WIFI PINEAPPLE PWNAGOTCHI SHARK JACK the usb one looks like Ubertooth One not sure Raspberry pi with a touch screen lock picking kit

Using something like this[0].

[0]: https://greatscottgadgets.com/ubertoothone/

That CC2500 may work for your needs. You might want to check out the Ubertooth One which is built around the CC2400, and can capture 1MHz bandwidth FSK signals.