433MHz RF wireless modules from eBay (transmitter and receiver) @DiodeGoneWild
433MHz RF wireless modules from eBay (transmitter and receiver) @DiodeGoneWild
Uploaded March 2023 | Updated September 2026, 1 week ago
Exploring some wireless communication transmitter and receiver modules from eBay. They operate at 433.92 MHz RF frequency. Some tests, oscilloscope measurements, schematics and how do they work. Correction: dBm means decibel milliwatts, not decibel meters, but the abbreviation easily leads to confusions.

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433MHz RF wireless modules from eBay (transmitter and receiver)

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