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How to use digital walkie-talkie

Question 1: How does the digital walkie-talkie talk to the FM walkie-talkie for 20 minutes? All digital walkie-talkies can be adjusted to analog state, that is, digital walkie-talkies can be used as analog walkie-talkies. Analog FM walkie-talkies are not compatible with digital, and digital products are generally compatible with analog. . .

Question 2: How does the digital walkie-talkie work? What does it look like? Turn it on first, then adjust the same frequency, and you can talk to it.

Question 3: What should I pay attention to when choosing a digital interphone? There are many formats of digital walkie-talkies, and walkie-talkies adopting DPMR digital standard and DMR digital standard cannot communicate with each other. Many consumers may not understand this at present, and they are still stuck in the understanding that they can talk as long as the frequency is the same in the era of analog walkie-talkies.

System problems should be fully considered when purchasing. Each standard has its own advantages, and no one can replace anyone. There is no question of which standard is better or worse.

Question 4: How to distinguish between analog walkie-talkies and digital walkie-talkies? In terms of technical design, analog walkie-talkies and digital walkie-talkies can be divided into analog walkie-talkies designed with analog communication technology (also known as traditional walkie-talkies) and digital walkie-talkies designed with digital technology. Analog walkie-talkie modulates the stored signal to the transmission frequency of walkie-talkie, while digital walkie-talkie digitizes the voice signal and transmits it in the form of digital coding, that is, all modulation on the transmission frequency of walkie-talkie is digital. Only walkie-talkies that directly use digital signal processors are real digital walkie-talkies, and walkie-talkies that use digital control signals (such as trunking system walkie-talkies) are not digital walkie-talkies. Digital walkie-talkies have many advantages. First, it can make better use of spectrum resources. Similar to cellular digital technology, digital walkie-talkie can load more users on the designated channel, such as 25KHZ, and improve spectrum utilization. This is a solution to frequency congestion, which has long-term significance. The second is to improve the voice quality. Because digital communication technology has the function of error correction in the system, compared with analog walkie-talkie, it can achieve better voice and audio quality in a wider signal environment, and the received audio noise will be less and the sound will be clearer. The last point is to improve the integration of voice and data, and change the weakness that the control signal decreases with the increase of communication distance. Compared with similar integrated analog voice and data systems, digital walkie-talkie can provide better data processing and interface functions, so that more data applications can be integrated into the same two-way wireless communication base station structure, and the integration of voice and data services is more perfect and convenient. These three characteristics make digital walkie-talkie become the inevitable trend of future walkie-talkie technology development. In the 1970s, Motorola took the lead in introducing digital technology into the design of walkie-talkie system, produced DVP walkie-talkies with digital voice encryption in 1975, developed a digital data communication system in 19 1 and used 35,000 digital walkie-talkies in1operation desert storm. Obviously, with the development of radio communication technology, the improvement of people's requirements for wireless communication quality, and the continuous increase of spectrum resources, digital walkie-talkies will have a huge demand market. However, no matter how widely the digital walkie-talkie is used, the mature analog technology will still serve the design of walkie-talkie for a long time, and develop in the direction of small size, low cost, strong function and more commercialization to meet the different needs of communication users. It is impossible for digital walkie-talkies to replace analog walkie-talkies in a short time. These two kinds of walkie-talkies will develop their own characteristics and develop together.

Question 5: How does FM radio talk to digital radio? FM walkie-talkie uses analog signals and cannot communicate with digital walkie-talkie.

But at present, digital walkie-talkies on the market are generally compatible with analog mode. In other words, digital walkie-talkies can use analog signals.

When digital walkie-talkie uses analog channel, it can communicate as long as the frequency and consonant are set correctly. However, some functions of the digital walkie-talkie may not be available.

Question 6: How to write the frequency of digital walkie-talkie, that is, the process of inputting the specified frequency into the walkie-talkie. In different occasions, different users need different frequencies to meet the communication needs.

If it is only for personal point-to-point communication, in most cases, you can use the preset frequency of the walkie-talkie manufacturer, and you can use it normally by setting the two walkie-talkie knobs in the same frequency band. In this case, it is not necessary to write the frequency.

If the preset number of frequency bands cannot meet the use requirements when multiple departments or groups use walkie-talkies on the same occasion, then it is necessary to manually write frequency bands, subdivide and set frequency bands to meet the use requirements. At this time, it is necessary to prepare for writing frequency. In fact, the writing frequency of walkie-talkie is very simple, just one walkie-talkie, one writing frequency line and one computer can write.

Question 7: How to use the walkie-talkie with numeric keys? As long as the frequencies are the same, they can be connected within the effective communication distance.

Question 8: What are the differences between users of digital walkie-talkies and how are they roughly divided? The digital communication technology of digital walkie-talkie has the function of error correction in the system. Compared with analog walkie-talkie, it can achieve better voice and audio quality in a wider range of signal environment, with less audio noise, clearer sound and stronger confidentiality.

Digital walkie-talkies are generally suitable for this kind of objects. Professional digital walkie-talkies are suitable for hotels, property, security, shopping malls, transportation, warehousing, forestry and other large-scale event sites. Amateur digital walkie-talkie is suitable for: radio enthusiasts, also known as ham ham, which is more playable. Civil walkie-talkies are suitable for: daily communication, going out to play, small restaurants, internet cafes, etc.

Question 9: How to use Motorola i305 digital walkie-talkie? First of all, walkie-talkies should have the same frequency and consonants.

1. Install the frequency writing software.

2. The computer is connected to the intercom.

3. Open the frequency writing software.

4. Reading frequency

5. Modify the frequency and consonants

6. The frequency of writing interphone.

7. ok

Question 10: Instructions for the use of Huaan Jiexun intercom

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