List of advantages
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Advantage details
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1、 Easy to install and maintain
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As long as the transmitter and transmitting antenna are used as feeders for FM radio broadcasting connect , and then take launch The antenna stands at the highest point outdoors , The terminal uses FM receive Machine driven tweeter 。 FM broadcasting can be received by power supply. Equipment maintenance is also very simple, Only need to detect a certain terminal speaker or front end launch Equipment is OK. The traditional broadcasting problem is completely avoided. (the maintenance of cable broadcasting needs to start from the receiving terminal The circuit is detected all the way to the front-end equipment, We can tell which part it is The problem of the
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2. Unlimited expansion of receiving terminal without bottleneck
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nothing As long as it is within the coverage of wireless FM signal, no Several FM receivers can receive it, The problem of cable broadcasting capacity expansion is solved thoroughly. (in order to increase the receiving point of cable broadcasting, it is necessary to increase the power amplifier and set up a line from the computer room.)
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3. It can be broadcast separately for individual villages and groups
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FM broadcast Launch host Using the coding remote control, it can be used for a certain point or a certain area of the terminal Separate broadcast 。 Broadcast with addressable function can select any point in village transmitting station (District) FM receiving equipment for point-to-point broadcasting and calling.
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4. Bidirectional frequency locking technology, stable performance
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Our wireless transmitting and receiving equipment adopts "bidirectional frequency locking technology", The frequency is accurate Stable, remote control speaker switch machine reliable. Frequency modulation receiving equipment uses crystal oscillator to fix frequency. Crystal oscillator is used to lock the receiving frequency firmly at a point, and the frequency will not drift. It is not affected by the change of climate, temperature and other external factors.
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5. The sound is clear and beautiful
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nothing The FM transmitter modulates the audio signal into RF signal, and then transmits The frequency signal is transmitted through the antenna, and the FM receiving equipment receives its RF signal and modulates it into audio signal for broadcasting. In this process, the loss of high frequency and low frequency in the line is avoided, So the sound from the FM speaker is loud and clear Low tone Thick, the whole sound line is very full, the sound quality is beautiful and clear.
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6. Investment savings
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Wireless FM broadcasting does not need manual pole stringing, which saves manual installation, pole and wire rod and later line The maintenance cost of road and pole is reasonable and economical.
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7. The operation is simple, and it is fully opened
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Before the machine leaves the factory, all the machines are modulated by the technical master, "fool operation", the transmitter host is turned on, and all the connected receivers are turned on automatically. After the machine arrives in the village, the village secretary can operate it skillfully in five minutes.
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8. Mobile remote control broadcasting
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The transmitting host is connected to the remote operation system of mobile phone, and the village branch secretary takes out the mobile phone no matter where the person is, and broadcast the notice anytime and anywhere (necessary for emergency warning)
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9. Fast construction and short construction period
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Wireless FM broadcasting only needs to set up the antenna, test the signal and confirm Install it better After debugging the equipment, you can broadcast. It has achieved scientific installation, fast progress, short construction period and high safety
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