SUNDELY FBI Style Covert Acoustic Tube Headset Earpiece Mic for GME Radios TX630 TX670 TX680 TX6100 TX6200 TX7200 BX710 BX720 BX730 2-pin

hi microphone you take communications here just a quick answer on a question I get quite often asked and that is what's the difference between duplex and simplex on the UHF CB radio if you're not quite sure what I'm talking about the duplex button on a radio as shown here duplex and this particular area has the duplex is a secondary function you need to press the function button before you can switch it into duplex mode the duplex function will operate between channels 1 to channel 8 and on the new van plan from 41 to 48 so what does that exactly mean if you're on channel 1 to 8 and you don't have the duplex button pushed in is there any problems with doing that and what should you expect let me explain to you exactly what the difference is between simplex and duplex and try and clarify the issue up okay so bit of a quick demonstration of what the difference is between simplex and duple