I heard that Xiaomi had walked out of the walkie-talkie. He also paid attention to this walkie-talkie for a long time. He still believes that Xiaomi's brand has always been used, because the millet phone that has been used all the time is also considered to be a faithful rice noodle. It happened to be equipped with cool equipment for this evaluation opportunity, let me have a chance to taste early on the Mijia walkie-talkie. At this moment when the autumn is coming, take the Mijia intercom and ask your brother to come and go. 
With the rapid response time and network-free features, walkie-talkies have become the first choice for many self-driving and outdoor adventure enthusiasts when they go out in recent years. For me, the walkie-talkie is one of the necessary equipments for every hiking step, so it is also very picky for walkie-talkies.
First, appearance
The Mijia walkie-talkie has a large LCD screen. The content display is all Chinese characters. It is easy to get started. There are only four buttons at the bottom of the screen, and the design style shows Xiaomi's consistent and simple design. The speaker design of the walkie-talkie is below the button and it won't block the sound from spreading when you hold it. There is also a long antenna at the top of the camera. It looks a little bit like the previous "big brother" and it looks like a radio. It looks like it. Not quite like a walkie-talkie.
Maybe my expectation is too high. I am not very satisfied with the volume of the Mi interphone. Compared with the traditional walkie-talkie, the volume has not been reduced. Although the thickness is a bit thinner than the ordinary walkie-talkie, if the antenna is not included, the body ratio is not included. Ordinary walkie-talkies are even longer. It would be a little small disappointment if it was designed to be a little more compact and it would be more convenient to carry it.
Second, endurance ability
Mijia intercom built-in 2600 mA battery, non-removable, through the standard USB port for charging, you can easily use the Android phone's data cable to charge, and you can also use the car charger, mobile power to charge, this is very convenient In outdoor situations, it is easier to supplement electric energy and meet long-term use requirements.
According to the official introduction, this walkie-talkie can talk for 17 hours in a row. I have no chance to try it, but after 8 days of battery life, I actually tested it. This is very commendable.
Third, function introduction
According to the relevant provisions of China's radio management, the national open public walkie-talkie channel is 409.7500Mhz-409.9875Mhz, and this band can be used by anyone, and the Mijia walkie-talkie complies with the standards of the public walkie-talkie. In addition, Mijia walkie-talkies can also be used to set custom channels and long-distance channels through the Mijia walkie-talkie APP. However, before using it, it must follow the relevant laws and regulations, go to the appropriate radio regulatory agency to go through procedures for setting up stations, and obtain a radio license before it can be used.
Mijia walkie-talkies need to be used in conjunction with the Mijia walkie-talkie APP. However, it is not complicated to connect. When binding a walkie-talkie, it is necessary to allow the “mike walkie-talkie†to use the positioning function of the mobile phone, and also need to activate the “long-distance channel†and "Custom Channel". I am a person who is lazy to read the manual and always feel that the manual is both troublesome and verbose. Fortunately, the Mijia intercom is easy to use even if you do not read the manual.
For the walkie-talkie, the most important one should be the voice communication function, while the Mijiao walkie-talkie has its own characteristics on the basis of the traditional walkie-talkie function. Among them, the rapid team formation, positioning of teammates, and free press-to-talk are three functions that individuals think are relatively easy to use.
1, FM radio
Like most walkie-talkies, Mijia also has an FM radio function that can listen to radio without WiFi and internet.
2, fast team / plus team
The rapid team formation is a bright spot in the function of the Mijiao intercom, which simplifies the cumbersome task of re-frequency tuning for different frequencies of the same team. After the user initiates the team formation on the walkie-talkie, the teammate only needs to select “join the team†to receive the team information, and then select “accept†to join the team you have established. After that, everyone can communicate directly by voice. , it can be said that the operation is very foolish, there is no use of the threshold, it is suitable for newcomers to the radio.
3, real-time positioning teammates
The function of the Mijia walkie-talkie positioning teammate needs to be realized with the help of the “Mijia Walkie-talkie APPâ€. Through the map display on the APP, we can see the real-time location of teammates and teammates, and at the same time we can learn the specific professional positioning coordinates and distances, further facilitating teammates. the relationship between. In addition, the Mijia walkie-talkie can actually locate the position of the teammate without the network (in the range of the call distance). The user needs to download the satellite map of the active area in advance on the mobile phone APP.
4, free direct call button
Everyone knows that the intercom needs to press the call key when speaking. However, in actual use, it may not be convenient for empty hands to perform key operations. How do we communicate with teammates? In fact, it is also very simple, because the meter home walkie-talkie has a button-free call function, simply speaking, when the voice reaches a certain decibel, the radio will automatically send voice to teammates, just like a voice call, communicate more smoothly .
In order to adapt to different usage environments, the Mijiao intercom can also set different volume levels. When used indoors, the volume of the trigger can be turned low, so that using the normal speaking volume can trigger the intercom to send voice while outdoors or In areas with high noise, you can choose to “trigger†or “trigger loud†so that you can avoid transmitting unwanted ambient noise and thus interfere with call quality. I set a total of the intercoms to be free of push-to-talk calls, start a minimum volume, and then use the phone to play songs next to it. Another intercom can get another room. Basically, it can completely listen to the songs sent through the intercom, if it is delivered. If you take too long, there will be gaps and you will reconnect after a few seconds. In general, this function is still very practical for inconvenient empty shots.
In addition to the basic intercom communication, the Mijia intercom also has functions commonly used by amateur radio enthusiasts such as sub-codes, beat frequencies, dual-frequency channels, and channel scans. The radio relay can be used to connect and further extend the intercom distance.
Fourth, call distance
For a walkie-talkie, the most sensitive topic is the call distance. Regarding the communication distance of the Mijia walkie-talkie, Xiaomi’s official propaganda is that the sea level is 4-10km, the office building is 1-30 floors, the urban area is 1-5km, and the driving condition is 0.5-2.0km.
I have done a test of 15 buildings. One walkie-talkie is on the first floor, and a walkie-talkie is on the 15th floor. No matter whether it is inside or outside the building, the call is not affected and the voice is relatively clear because there are no 30 houses around. The tall buildings are temporarily unable to make 30-story tests.
When traveling by car, in the case of village roads on rural roads (curved roads), the two vehicles are clearly within one kilometer of each other, there is noise in 1.5 kilometers, and no signal is received beyond 2 kilometers.
During mountaineering, the top of the hill calls for good signal from the mountain. When on the mountainside, if the signal is not received on both sides of the mountain, the distance from the side of the mountain is about 500M.
In order to test the walkie-talkie, I also deliberately made a cavern test. In a natural cave, a walkie-talkie is in the hole and one is in the hole. The inside of the cave is twists and turns, and the step is 100 steps. The call is clear. 120 steps. A murmur occurs and the 150-step signal is interrupted.
The above data is enough to prove that in the normal communication range, the call quality of the Mijiao intercom can meet the needs of most users.
Five, on the Mi Jia APP
I installed the Mijia APP with Huawei mate8, Huawei P9, OPPO R7, and VIVO X5 and used the test. In the case that the mobile phone settings are allowed to run in the background, the flashback phenomenon occurs to varying degrees. I wonder if it is a problem of software stability or not. Millet phone compatibility issues. The yellow part of the track below shows the formation of flashback in the middle of the software.
Sixth, summary:
advantage:
1, call distance and call quality can meet the needs of most of the user's activities.
2. Squelch is well done. In the same environment, it is no noise compared to other walkie-talkies.
3, excellent endurance, can meet the needs of multiple sunrise, and charging is also very convenient.
4, the team, positioning, free buttons and other features new and practical.
Disadvantages:
1, the volume is too large.
2. The back clip is an integral part of the walkie-talkie. How to say the back clip on the outside of the meter? It is not very comfortable to use. However, I heard that new silicone clips should be better.
3, feel more slippery, no anti-slip rubber on both sides, easy to slip off.
4, for a walkie-talkie, the outdoor environment is more used, there is no shatter-resistant waterproof design.
Through twenty days of experience, I feel that the MJ’s intercom is excellent in function, and it is personally flawed in appearance. All in all, Xiaomi is a brand I trust, and I believe that Xiaomi will listen to the opinions of customers and make the products better and better, so that the public can get a satisfactory price while at the same time achieving satisfactory results, instead of blindly pursuing novelty. The flashy. Thanks to the Mi family walkie-talkie, let me and my buddies walk freely in the mountains and communicate with each other at the same time, determine each other's position, and convey each other's information, making our outdoor life more secure! Finally, I wish: Xiaomi bright future!
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