What kind of walkie talkie do you need for emergency rescue?

When we carry out outdoor rescue, we usually equip a walkie talkie for the convenience of communication. But because the ordinary walkie talkie is not specially designed for the rescue team, so in the outdoor rescue, some problems often occur, serious may endanger life.
What kind of walkie talkie do you need for emergency rescue?
   analysis of existing pain points of rescue walkie talkie:

   pain point 1: the endurance time is too short, sometimes it can't be used for a day. This is because the general walkie talkie doesn't pay much attention to the battery life. It's very convenient to charge in the city. It's also very convenient to charge in the car. But you can't charge it when you charge it outdoors.
   pain point 2: in case of rain, it is easy to get into water, so it can't be used. Usually, the walkie talkie doesn't have three proofs. Many of them are just for publicity, but actually they don't. But outdoor rescue, can't say a little rain won't go, so three prevention is very important.
Pain point 3: when it comes to low temperature in winter, the walkie talkie will turn off automatically. Many walkie talkies can't be used at minus 10 degrees.
   pain point 4: unable to know the position of team members. This is very important in rescue. Forefinger needs to know the position of the team members in front, so as to coordinate the rescue operation and ensure the personal safety of the rescue team members.
   in order to solve these problems, a special walkie talkie suitable for rescue team members is urgently needed to ensure the quality of rescue and the safety of team members. The walkie talkie required for emergency rescue operations usually has the following characteristics:
What kind of walkie talkie do you need for emergency rescue?
   ① team forming function
   original dual channel technology: call and positioning can be carried out at the same time, without mutual interference or interference with other brands of walkie talkies in the same team;
   team members: up to 64 walkie talkies at the same time;
   user role: it can be divided into three levels of user roles: leader, team member and team member to ensure that the team will not be interfered by useless information;
   teammate location broadcast: it can automatically broadcast the location of teammates by voice, or manually query the location of teammates in an emergency;
   teammate track: can store teammate track, can be synchronized to the mobile phone display;
   timeout alarm: when the position of the teammate is not received after the set time, the voice will remind automatically;
   over distance alarm: when teammates exceed the set distance, automatic voice reminder.
   2 voice navigation function
   positioning module: support GPS, Beidou, GLONASS, Galileo four satellite positioning systems, high reliability, high precision, high sensitivity.
   navigation route: two routes of departure and return can be written, which can be switched manually;
   navigation voice: it supports standard corner reminder and any custom place name reminder.
   yaw Alert: according to the set yaw alert threshold, automatically remind the target route azimuth and distance.
   track recording: GPS track can be automatically recorded for up to 700 hours. The track can be displayed on the mobile phone at any time.
   ③ electronic road sign function
   at any intersection, the leader can quickly set the electronic road sign with voice warning at one key. When the team members approach the road sign, the magic air walkie talkie will automatically voice remind the team members to turn, which can effectively avoid taking the wrong road. Because it is active to remind in advance, it is much more effective than reminding after going the wrong way. When loading the navigation route, this function can also be used as an effective supplement to the route navigation reminder, because it is difficult to predict all intersections when planning the route, and the leader can set up road signs at any time when moving. This method can be used as the primary guidance method when the team member does not load the navigation line.
(4) radio search and rescue function
   after the team-mates lose contact, they will inform the rescue team of the ID of the lost user, and the rescue team can use the UAV to carry the magic air walkie talkie for high-altitude fast radio search, so the search is more efficient.