RT83 is 10W IP67 DMR UHF GPS radio, frequency range 400-470Mhz,Today let’s us learn together how to set Retevis RT83 private call.
The purpose of H-777 broadband and narrowband is to make communication more smoothly and crystal. And know under what circumstances to choose broadband, under what circumstances to choose narrowband. H-777 broadband and narrowband meaning Broadband and narrowband mean the amplitude of the intermodulation speech modulation onto the carrier. The wideband mode download wave is […]
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 addition,you can plug it into the computer or into the wall,they can also use mobile power car charger.Even when the radio is powered off, it still works […]
Which one radio have Room Monitor? It should be RETEVIS RT45. Many of our customers told us, they are looking for long distance radio. And it can be use to listen their baby in a resort during sleeping hours. The product should be able to listen the room/ bedroom without any action from anyone. We […]
What is remote stun & remote kill on RT23？How to set it？ What is remote stun & remote kill on RT23？ Many radio have the remotely stun & remotely kill function.But do you know what is the remote stun & remote kill? How to use it? The remote skill feature allows your radio remotely controlled to shut […]
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 you know about the TR10 Repeater Controller?How long it will extend the range of the radios? The TR10 is a […]
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 common frequency range between the three of them. By programming them, they will be changed to same frequency and […]