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Radio direction-finding is the process of using instruments to determine the direction of radio waves based on the propagation characteristics of electromagnetic waves.   ...

How does the TimeSlot Works on RetevisRT73?  ...

Can you Monitor Different Color Code on Retevis RT73? The answer is Yes.  ...

How to send SMS text message on RT73?  ...

when you connect to this repeater, if you use a digital radio you need to set a digital channel and also an analog channel. But if you have RetevisRT73 mobile radio, you can set only one channel to monitor this repeater.  ...

Why cant use the radio when it is on charging? How to protect your battery?   ...

The baud rate is the number of code symbols transmitted per second. It is a measure of the symbol transmission rate. For electronic communication, the baud rate is the modulation rate, which refers to the rate at which the effective data signal modulates the carrier, that is, the number of times the carrier modulation state changes per unit time.  ...

For hams, the scan is a very common and practical function. With the continuous development of amateur radio, the new word scanner has appeared. So what is the scanner, and what is the difference between scan and scanner?  ...

Retevis RT23 is a U/V dual band handheld amateur radio station with dual PTT, dual display, and dual standby that supports cross-band repeater. The amateur radio allows the hams to program it. When the walkie-talkie cannot work normally due to wrong operations, we can try to restore the factory settings, also known as initialization. RT23 supports two methods to initialize it, one is shortcut key initialization, the other is software initialization.  ...

Lora is short for Long Range. It is a low-power LAN wireless standard created by Semtech company. Its biggest feature is that it can travel farther than other wireless methods under the same power consumption condition, achieving low power consumption and Long-distance unity, it is 3-5 times longer than the traditional radio frequency communication distance under the same power consumption.  ...