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CN111866263A
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5G communication intercom safety positioning system
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A kind of 5G communication intercom
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A kind of intercom with dtmf code and decoding function
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A kind of bimodulus transfer intercom with three sections of screen displays
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It is a kind of simulation, digital intercom all-in-one machine
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A kind of double mode intercom
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A kind of TDMR high frequencies onboard wireless numeral intercom
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A kind of duplexing alien frequencies transfer coloured silk frequency intercom
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A kind of with automatic GPS automatic station-keeping system digital handset
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The subsidiary Bluetooth data transfer transmitter receiver of a kind of 32 channels
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CN106067867A
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A kind of DMR numeral, simulation multi-standard relay system
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Interphone with broadband frequency testing function and communication system thereof
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Broadband frequency test circuit of interphone and control method for broadband frequency test circuit
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Vehicle-mounted seven-wave-band interphone
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Four-waveband transmission vehicle-borne interphone
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Vehicle-mounted interphone conducting receiving at two frequency bands simultaneously
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CN105071822A
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Vehicle-mounted intercom having a dual-band duplex cross-band transfer function
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