HT12E footprint, schematic symbol and 3D model by Holtek

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HT12E Details

The maximum transmission distance of the HT12E depends on the transmission frequency, antenna design, and environment. However, in general, it can transmit up to 100 meters in open space.
The transmission frequency depends on the application and the environment. The HT12E supports multiple frequencies, including 433MHz, 868MHz, and 915MHz. Choose a frequency that is allowed in your region and suitable for your application.
The HT12E has a data transmission rate of up to 2kbps.
To ensure reliable data transmission, use a suitable antenna, ensure a clear line of sight between the transmitter and receiver, and implement error-checking mechanisms such as checksums or CRC.
No, the HT12E is a one-way encoder, designed for transmitting data from a transmitter to a receiver. For bi-directional communication, you need to use a separate HT12D decoder IC.

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