Based on the characteristics of good anti-interference and strong penetration of 2.4GHz microwave signals, they have been widely used in the field of short-distance wireless communication. This paper proposes a digital wireless voice system with error correction and encryption functions based on this frequency transmission, and gives the design of system hardware and software with nRF2401 wireless transceiver chip and ATmega8L microcontroller as the core. The new system has the characteristics of low cost, low power consumption, high reliability and good confidentiality, and can be applied to the field of short-distance wireless communication with special requirements.
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