Anyone successfully received 433MHz radio frequency signals more than a couple feet with their Pi?

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I have been nearly banging my head against the wall trying to improve the distance at which I can receive 433 MHz radio signals.

I have a BBQ thermometer which transmits temperature data to a receiver. The unit can transmit to the receiver over 100 feet away, even through walls.

I am building my own receiver. I can get a couple feet distance at best. I have tried multiple types of receivers and antenna. Meanwhile this guy can walk hundreds of feet and get good distance out of much cheaper parts.

Has anyone successfully made a longer range device with their Pi? Can I see your setup?
submitted by /u/Produkt
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Source: https://www.reddit.com/r/raspberry_pi/c ... mhz_radio/