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What are the Necessary Parameters of Analog Radio Communication?

What are the necessary parameters of analog radio communication? Frequency and CTCSS/DCS.  ...

Read more  Analog,  Program

What are VFO and MR modes in ham radio?

The first way is the VFO or variable frequency oscillator. The MR stands for memory. When in this mode you input a frequency into a memory channel.   ...

Read more  MR Mode,  VFO Mode,  Zone

The Difference Between Software, Firmware, and Hardware

Software is the most temporary and malleable. Firmware is semi-permanent software that’s tied more directly to the hardware and updated less often, and hardware is the physical component that is mostly permanent.  ...

Read more  Software,  Firmware,  Hardware

How do you Program a Walkie-Talkie?

When we get a walkie-talkie, the first thing we want is to make it communicate with another walkie-talkie.  ...

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Principles for Setting the Squelch Level

The squelch switch is a function specially designed to solve the contradiction between the call quality and noise of the wireless walkie-talkie.  ...

Read more  Squelch,  SQL

Interpretation of Signal Strength during Radio Communication

The signal report of an amateur station consists of three parts: "R" representing the discernibility of the signal, "S" representing the signal strength, and "T" (Tone, the quality of the signal) representing the signal tone, so the signal report often becomes " RST".  ...

Read more  RSSI

Why do hospitals need walkie-talkies?

With the continuous improvement of walkie-talkie functions, we have seen walkie-talkies in different industries and fields. Whether it is a sudden epidemic or daily communication scheduling, we have found that the role of walkie-talkies in medical scenarios is becoming increasingly prominent.  ...

Read more  Walkie Talkie

Why does the walkie-talkie have no distance parameter?

Communication distance is an important indicator of walkie-talkies, but why is there no distance parameter in the parameters of walkie-talkies? There are also some descriptions that have a distance description, but the range is very large, such as 2~5 kilometers. How should I understand this communication distance?  ...

Read more  Communication Distance

Super-Full Radio Usage Skills During Multi-Vehicle Travel

Nowadays, many car friends have various self-driving FB activities, and many car friends organize their colleagues, relatives, and friends to drive together so that there will be problems with communication requirements between vehicles, radio will play a very important role in self-driving and multi-vehicle travel.  ...

Read more  Radio Usage Skills,  Multi-Vehicle Travel

What Aspects Should be Paid Attention to When Installing a Mobile Radio?

An important principle to be followed by the host installation is to be able to provide enough heat dissipation space because when the radio host is in the transmitting state, the heat is very large.  ...

Read more  Mobile Radio Installation