"program h-777"

If you have a large number of H-777 need to write, do you need to write the frequency one by one？Of course not,that is terrible . Now we are going to learn how to quickly write to…

So many customer choose Retevis H-777 not only because of its reliability but also because it have been programmed well and easy to use.   Work directly when out of box   In order to offer…

Before we had a detailed introduction to the H-777, because the H-777 is cheap, basic functions are complete, and the use of simple to harvest a lot of fans. But there is also a walkie-talkie that…

As we knows,wireless was be called two way radio,ham radio and amateur.Some people don’t know how to choose their radios.What about H-777? What is Two-way Radio?   H-777 was be called walkie talkies or two way…

What’s theTR10 Repeater Controller? In some specific cases, if we need a farther distance,we have to use some tools like Repeater Controller(加C9063A 超链接) to increase the range of the walkie-talkie so that it’s more convenient for our happy communication.But how much do…

The necessary condition for Retevis H-777, RT21 and RT-5R compatible is same frequency and same CTCSS. H-777:400-470MHz UHF analog radio RT21:400-480MHz FRS analog walkie talkies RT-5R:136-174/400-520MHz dual band keypad programmable hand-held transceiver Therefore, there is a…

Take you to know more about H-777 functions For H-777 two-way radio,is called Walkie-talkie.its design is simple and easy to operate. The smart USB charging base is convenient to charge,it ‘s no “overcharge” side effects, In…

Can H-777 walkie talkies connect with the repeater? We know that the distance is determined by the wattage.But it is also affected by the environment. How can you increase the range of use of the H-777…