The first version is an RT81 single time slot. The second version is updated to the dual-time slot, and the latest version is a dual-time slot but with new encryption. So, how to confirm the version …
Your cell phones and two-way radios all work in the electromagnetic wave, but the frequency range is different to stay in the rules of communication. UHF and VHF frequency bands are a part of a two-way…
Retevis has provided two-way radios for more than 10 years, and the radio lines are covered by license-free radios like FRS radios, PMR446 radios, MURS radios, and the upcoming CB radios, the licensed radios like GMRS…
As we know, FRS radios, PMR446 radios, and CB radios are the main license-free radios. But there are some limitations to them, like the fixed frequency band, the fixed antenna, low power, and short distance. If…
Hot summer, we need to protect the safety of electronic products. Did you get a heat alert from your phone? When the temperature of the iPhone body exceeds 40 degrees Celsius, the phone starts to alarm.…
RT97 repeater is our best seller repeater, and RT97S is a customized repeater with mygmrs. It is a GMRS repeater, so it can expand the communication distance of your GMRS radio. But also, some customers have…
Do you have an RT97 repeater? Do you want to have a portable repeater to bring out or fix it on your roof and outside the building? RT97 is a small size and lightweight portable repeater…
First of all, we should know some technology about radio transmitting and receiving. Then, as repeater beginners, we can try to find the uhf repeaters near me and connect to a repeater for further range communication.…
One of our customers asked does he need an antenna on his RT95 mobile radio. And what kind of antenna do you need? And how to install the antenna on your vehicle and connect it to…
How can I switch to the wideband on my GMRS radio? What is the range of it? Why cannot I talk to other radios? Where can I download the software? How to set up the functions…
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