Blog
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. ...
How to set the time of Retevis RT73
- Jun 18,2021
- Yamy
- 0 Comments
- User Tutorial
Some customers don't know how to set the time of Retevis RT73. Do you know how to adjust the time? There are three ways to adjust the time of Retevis RT73. ...
Codeplug Editor for Retevis RT73
- Jun 17,2021
- Vivian
- 0 Comments
- Retevis RT73
David Bell who create a codeplug editor for Retevis RT73, it is also beta version. ...
How to erase codeplug Retevis RT73 totally?
- Jun 16,2021
- Vivian
- 0 Comments
- Retevis RT73
How to erase codeplug Retevis RT73 totally? ...
What is the difference between roaming and scanning of the walkie-talkie?
- Jun 03,2021
- Yolanda
- 0 Comments
- Radio knowledge
Roaming refers to setting the radio to automatically move between them according to which repeater has a strong signal. ...
Why is necessary to set the squelch level?
- May 31,2021
- Yamy
- 0 Comments
- Radio Function
Walkie-talkies communicate with each other by radio signals. Different from wired communication, background noise will inevitably appear in radio communication. This kind of noise is tiresome and causes auditory interference and fatigue to users. The purpose of setting the squelch level is to control the influence of back noise. ...
What's QPSK modulation?
- May 31,2021
- Yamy
- 0 Comments
- None
QPSK is short for Quadrature Phase Shift Keying or called four-phase shift keying. and it is a digital modulation. Do you know how QPSK works? ...
How to set up FM satellite communication channels
- May 27,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
The common satellites use FM transponders, so a simple FM walkie-talkie can realize FM satellite communication. So what should be paid attention to when setting up an FM satellite communication channels? ...
What is the Difference between CTCSS and DCS on Two-Way Radios?
- May 25,2021
- Vivian
- 0 Comments
- Radio knowledge
When using two-way radios or walkie-talkies, we all use CTCSS/DCS or Motorola system PL tones or DPL. It is divided into CTCSS and DCS. Both CTCSS and DCS are all used on analog two way radios. Do you know what is the difference between CTCSS and DCS? ...