Category Archives :Radio Function
What's the Scrambler function?
- Apr 30,2022
- Yamy
- 0 Comments
- None
The scrambler function of the analog walkie-talkie is to change or mix the communication voice and informations. ...
How about reset to factory?
- Apr 30,2022
- Yamy
- 0 Comments
- Radio Function
Compared with business radios, amateur radios have more and more complex functions, so the operation and setting process often leads to abnormal use intentionally or unintentionally. Therefore, almost all amateur radios allow to reset to factory. ...
What is the Channel Work Alone? How does it works on Retevis RT3S DMR Radio?
- Mar 10,2022
- Vivian
- 0 Comments
- None
"Lone Worker" gives a tone at regular intervals to which the lone-worker needs to respond by pressing the PTT button. If the worker fails to respond, within the pre-defined time, the radio will then go into emergency mode, and help and support would be sent to them. ...
What's Selcall
- Dec 31,2021
- Yamy
- 0 Comments
- Radio Function
Selcall is short for Selective calling. It is a type of squelch protocol used in radio communications systems, in which transmissions include a brief burst of sequential audio tones. ...
What is roaming? Is it useful? When will it be used?
- Dec 22,2021
- Vivian
- 0 Comments
- Radio Function
Retevis RT73 mobile radio and Retevis RB22 Semi-keyboard UHF DMR Radio are both have the roaming function. ...
Why the parrot test has no response
- Nov 28,2021
- Yamy
- 0 Comments
- Radio Function
When we want to test our radio and can't find someone to help us, we can set the parrot channel to do the Echo test. but sometimes the parrot test has no response, why? ...
Something about Busy Channel Lock-out Function
- Oct 28,2021
- Vivian
- 0 Comments
- Radio Function
Busy Channel Lock-out feature often abbreviated to BCL on two way radios. But it depends on the different radios, on some radio it says BCL, this is also commonly referred to as TX Inhibit on some other radios. For example, on Retevis RB17P, it says "Busy Lock". but on Ailunce HD1 it says" TX Authority". ...
What is the difference between cross band transmit&receive and repeater?
- Sep 29,2021
- Yamy
- 0 Comments
- Radio Function
We know Ailunce HD1 has the cross band transmit and receive function, and Retevis RT23 has the cross-band repeater function. do you know what is the difference between cross band transmit&receive and repeater? ...
The Benefits of Using Temperature-controlled Fans in Mobile Radios
- Jun 20,2021
- Yolanda
- 0 Comments
- Radio Function
So now many vehicle-mounted stations are equipped with temperature-controlled fans, and the air pressure and air volume of the fans are controlled by the temperature changes in the vehicle-mounted stations to achieve the effect of energy-saving. ...
The SQL and SQL Level of Walkie Talkie
- Jun 20,2021
- Yolanda
- 0 Comments
- Radio Function
The purpose of squelch is to strictly suppress the noise, but if the suppression is excessive, the weak call signal will also be restricted and cannot be received. ...