In general, our outdoor communication has not simply depended on mobile phones. In particular, certain specific environments are even the absolute blind spots of network signals. The deep forest jungles and wilderness and wilderness holes all do not think that there is no signal! ! ! The commonly used method is hand-held, this is a relatively short-distance communication. Or local satellite preferred satellite phone, the effective distance is very far away, but this is basically not our general population can consider the equipment. Handsets have basically become a standard, even if it is still not very ideal communication conditions.
Handset communication is mainly divided into electronic frequency, there is a fixed regional band, can only communicate with each other at the same band frequency, so it is used as the internal contact of the team, not far away, generally speaking mode, but the outdoor is not just need to communicate Can satisfy! ! What should I do with outdoor communication? ? ?
The above are some personal ideas for getting test articles, so now cut into the product!
Let's put aside various features to look at this product. When it comes to hand, the packaging is relatively simple, and even without any written explanation, the communication customer service personnel learn that the product should continue to improve and research and development status, there is no formal listing.
No instructions, no problem, this is still hard for me!
First look at the appearance of the product, black, like the general flow of the remote control modeling, the overall goodwill is still good. 18 cm in length, the entire product is about 150 grams, the product itself is still relatively light weight, which is conducive to outdoor carrying.
Workmanship and mold making are still relatively meticulous. Unfortunately, no protection level was marked.
There are only two buttons, because there are no labels and graphics, the top of my product is a warning light is a help button, and the bottom is the power switch. Press and hold the product power switch (the top three prompt display areas) to boot, and the corresponding button on the other end will flash green light.
If you press the SOS button at the other end, the green light will flash for a short time. Long press the product key in the boot state will shut down.
There are lanyards on the top of the back of the product. Although the manufacturer does not provide accessories, it is good that my friend has spare parts. This is convenient whether it is handheld or hanging bag.
There is a USB charging port at the bottom of the product. This versatility is now standard with electronic products. The only regret is that this port is open and there is no waterproof and dustproof treatment.
The overall appearance of the product looks very simple and generous, full of technology and fashion sense.
This machine is an electronic communication product. Unlike mobile phones and mobile phones, which have direct dialogue communication functions, they use the download APP to communicate through mobile phones. If you do not think about the product's outdoor use in the crowd and the use of the environment, many people may feel very troublesome, but it is also a way of outdoor communication channels.
The APP is well searched and is divided into Android and Apple versions. The Android version is a green icon and the Apple version is a red icon.
Relative to the product, personal feeling Andrews APP landing page appears a bit rushed and simple, the screen is not beautiful and practical! Forgive me for this visual party! ! !
The Apple App is relatively concise. Although it is somewhat different from the Android version, it has fewer small function buttons, but the overall layout and functionality are consistent.
Product use -
The installation of the APP is relatively simple, the first use requires the use of mobile phone number to register for landing, and then you can give yourself a very personal name.
When connecting the product, it is necessary to turn on the Bluetooth switch of the mobile phone and the power switch of the cardiac radar. Click on the link to find the product and then connect it. Each product has a unique, unique device number. After the connection is successful, the product's warning light will be prompted, but there is no sound prompt, and you need to pay attention to observation.
The next time you connect again, the device number you last connected will be displayed.
Inside the specific page layout to explain it is more complicated! Here is probably listed several pages of two different versions.
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The main features are:
add friend. It must be said here that you use the Radar Radar partners with you. So this test also brought two products. After you add it, you can chat, send pictures, send locations, and more. Map function. It is possible to view the location of yourself and your friends through different forms of maps, and you can also plan your own route. More importantly, you can download the map in advance and use it where there is no signal. Team chat. Forming a group of friends into a group is completely similar to the WeChat function, and it is completely free from obstacles. Draw the line. There is no function to record the trajectory, but you can share it by drawing a circuit diagram according to the map. Help settings. The positioning of the product itself is used in the outdoor environment. Not only is the button on the body of the product called for help, but also an emergency call button is set in the APP. There will be a record for each emergency call and there will be a safety filing. Convenient for the development of the later rescue, although it is not clear how to operate, but this security setting is still worthy of appreciation.After understanding most of the functions, the following experiments were conducted in urban areas. In particular, after the mobile phone is disconnected from the network, the device is completely connected via a Bluetooth signal, and then the connection between the device and the device can be completed through the mobile phone.
The cruising ability is worthy of recognition. Although it has not been able to communicate and chat, it has not been used up when it is used outdoors twice. Especially in the open air, the network signal of the mobile phone signal can't always be kept unblocked. At least within a certain distance, this cardiac radar can make us communicate with the outdoor one more guarantee.
Through the software, you can clearly see the players and your location, although there are some deviations, but the approximate location distance is accurate.
There is no real test of the result for the effective distance, and the place to go usually is more remote and meandering. Many terrains are more complex and the team basically does not have a distance that is too far apart. The distance of 1-4 km introduced on the Internet should also be a rough interval depending on the environment.
Although the products are not widely used in the market, similar products are also appearing. This trend can be seen that outdoor secure communications must have a large market. Talk about some of the use of feelings:
The Bluetooth connection device is fast and effective, and rarely breaks in the middle. It is convenient to chat and send maps, especially for the map format. It's easy to install software, but it can take up a lot of memory space in a short period of time. Don't know if there is room for adjustment? The landing page can be more beautiful and taller. I do not know if I can count on the trick record function. Products in the outdoor environment protection, protection level is not strong, many openings should be sealed without treatment. (USB interface, etc.) The volume is still slightly longer, and it easily breaks. About 12 hours of battery life is more suitable for one or two days of travel. Is it possible to develop longer cruises? After all, outdoor variables are too much and it takes longer to be safer. At the prompt, in addition to the warning light, can you add sound or vibration tips? This will make it clearer about functional verification. There should also be graphical hints on the keys, otherwise it is easy to press the wrong button.Associating with the recent security accidents in uninhabited areas on foot, we can know that there are many unknowns in the outdoors. We are always awe-inspiring and we can make preparations every time we go. Hope that Radar can bring a variety of communication options to the outdoor world!
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