Solutions
Digital Interphone

Digital walkie-talkies transmit high-definition voice using digital signals, featuring anti-interference and encryption functions. They are compatible with the DMR standard and widely used in public security and industrial scenarios to improve communication quality and collaboration efficiency.

Diagrams & Products
Digital Interphone
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MIC 3.3V 2.5V 1.8V Speaker Transceiver antenna PA AGC OPA MCU Display &Key DC-DC Batterry*2 LDO GMSK/ 4FSK RF DSP CodeC AudioAMP
OPA
PA AGC