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Error detection and correction

Digi radio modems perform a 16-bit CRC (cyclic redundancy check) to check for errors in every transmitted data packet. If an error is found the packet is discarded and not sent out the serial port.

Error correction is available on the XBee modules in the form of Packet Acknowledgements and Retries. In the event of a communication failure the transmitting modem will resend the data packet. This ability provides a powerful solution for error correction without any additional cost; the Retries feature is built into each radio modem.

For more on reliable delivery, visit Configuring the modems for reliable delivery

Last updated: Aug 23, 2018

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GatewaysRFRF Dev kits

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