The school is a place where students study, and it is their responsibility and obligation to ensure the safety of each student. There are many school staff, including teachers, security, and reception. Efficient and safe communication …
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Retevis RT81 two-way radio is a powerful communication device that is popular for its exceptional flexibility. It is a combination DMR digital and analogue radio, so there is no advantage in having many analogues, this blog…
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What aspects do you consider when choosing a radio: free or licensed, high or low power, digital or analog? Today, this blog will introduce the RT81 product from both digital and analog aspects. Analog and digital…
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RT81 is our classical digital business two way radios. Today we teach you how to use Scan function on Digital radio RT81 as an example. First: Install the driver and RT81 software ( new dual time…
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In the field and the open areas, the VHF radio can work better than the UHF radio because it can reach a longer communication range and receive more calls. So the RT81V is a land VHF…
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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…
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RT81 is a high power IP67 waterproof DMR radio with one slot, the updated version new RT81 has 2 slots
Some customers meet that both can’t work with each other, do you know how to make old RT81 work with new RT81 radio -
How RT81 communicate with RT81P? Many users of Retevis radios are familiar with RT81. As a durable and economical choice in digital radios, RT81 is always people’s first choice. RT81 has IP67 waterproof, no screen, but…
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How to programme multi-RT81 radios quickly is topic we will discuss, Normally RT81 with default factory frequency radio so you only press PTT key to talk when RT81 take out of package box. Most of the clients don’t only buy a few, If you meet one of them can’t talk with others, please try to programme them again, There’s a very simple way that introduces how to programme RT81 radios quickly.
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RT81 is our waterproof walkie talkie, it is analog&digital model radio, it means that it not only compatible with analog radios,but also can communicate with digital walkie talkies.Some customers maybe don’t know how to make them…
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