Traditional Culture Encyclopedia - Traditional culture - What is a traditional board intercom?
What is a traditional board intercom?
what is the traditional walkie-talkie you asked first? Traditional analog walkie-talkie According to the query, Sohu News Network shows. The traditional analog interphone is the traditional board interphone. It is a communication mode in which voice, signaling and signals are modulated on the carrier frequency of walkie-talkie by continuous wave, and optimized by amplification. It has the advantages of mature technology, perfect system and relatively low cost.
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