Day: November 24, 2018
What should we do when walkie talkies can’t work?
Sometimes some customers will overwhelmed said their walkie talkies can not work.they will think the radio is broken,sometimes it’s not.So what should we do when walkie talkies can not work?Now let’s discussion this problem follow the steps,please reference it. Walkie talkies can’t work,this is a very vague statement,there are servel situations about walkie talkies don’t […]
How to set the DTMF to achieve the private call on RT87?
How to set the DTMF to achieve the private call on RT87? Many customers talking about the DTMF, so what is the DTMF? In short, DTMF is the Abbreviations of Dual-tone multi-frequency signaling, It is a channel with tone to represent the digital method, it can be used in analog voice channel transmission signaling, so in […]