4 miles range communication different from walkie talkie

4 miles range communication different from walkie talkie

MR.SUN, the opener of our project, first developed a phone case walkie-talkie. When the phone has no network, you can use the phone case to talk, and this walkie-talkie can also charge the phone, because it can't be passed MFI, this project is not going on.


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Description of this 4 miles range communication different from walkie talkie
 
MR.SUN, the opener of our project, first developed a phone case walkie-talkie. When the phone has no network, you can use the phone case to talk, and this walkie-talkie can also charge the phone, because it can't be passed MFI, this project is not going on.Later, our team developed an analog walkie-talkie. The advantage of this walkie-talkie is that it can be selected the channel through the mobile app, but many problems can not be solved during the development. So we didn't continue this project.Then we found gotenna showed a new product at CES, . Their products realized the function that the mobile phone can send text without service. We tested the real thing, the function is good, but their communication distance is too short, and often lose the package, if we want to develop, our function is much better than them, and the distance is further.We are using digital technology, 2W power, 433 frequency band, intercom and recording algorithms, and compressing the voice to send data once every 0.5 milliseconds, reducing the delay of the other party's recording and intercom. Moreover, the intercom channel is frequency hopping, and each channel has special encryption and will not be cross-linked with other channels. We measured in an open area, the communication range reaches 4 miles, farther than the products on the market, we are still on the road, we will develop better products based on market demand. If you are interested in us, you can join us. 
 
We specialize in the manufacture ofhigh power wireless walkie talkie.We have strong design capabilities and quality control capabilities to ensure the quality of our products.Our wireless drop shock walkie talkie is sold to all continents and dozens of countries around the world.Customer satisfaction is our greatest pursuit.I hope to get your inquiry about factory direct sale new high power bluetooth wireless drop shock walkie talkie.
 
 
Parameters of this 4 miles range communication different from walkie talkie
 
LED Instruction and control
Power on : Press 3S to turn on. And then the blue light flashes every 5 seconds. Press once shortly to turn off, and the indicator close.
Bluetooth link indication : After turing on, the blue light flashes quickly for 0.5s, and the blue light flashes once in 5S after the Bluetooth linked.
Mobile charging: 5V output has not been turned off, plug and play, press the button once shortly to close the output, re-plug once to having output.
Reset: Press 5S to reset
Power off : Press the button shortly in the turn on state, all functions are off
Charging indication: No prompt when charging in turn off, no prompt after the full charge. When charging in turned on, the red light flashes once in 1S , and light out after being fully charged.
Low power prompt: Turning on and discharging, the voltage is lower than 3.38V, and after the red light flashes quickly in 10 times, the output is closed and into turned off.
Turning off and discharging, the output is closed when the voltage is lower than 3.2V, and prompt low power."
SOS: Long press 5S to SOS help, the red light and blue light flash alternately every 5s, automatically close after sending 5 times. Press the button again to release the SOS.  
 
Pictures of this 4 miles range communication different from walkie talkie
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
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