Blog
Retevis HK008 2-Pin Active Speaker Mic with Volume Knob
- Mar 04,2020
- Yolanda
- 0 Comments
- Product Introduction
There are many speaker mics without voice knob in the market. Retevis release a new speaker HK008 with adjustable voice knob. We can adjust the voice through the speaker mic, not only relay on the radio voice knob. ...
Amateur Satellite Fuji 3 (FO-29) Operation Schedule 3.2020
- Mar 04,2020
- Yolanda
- 0 Comments
- Amateur Radio News
The operation of Fuji No.3 (FO-29) has been unstable, but the transmitter will be turned on in the next pass. Since the date and time are in UTC, add 9 hours to convert to Japan time. ...
Polarization of Antennna
- Mar 03,2020
- Yamy
- 0 Comments
- Radio knowledge
The polarization of antennas refer to the space vector direction of the electric field of the antenna in its maximum radiation direction. There are three polarizations including linear polarization, circular polarization, and elliptical polarization. Among them, linear polarization and circular polarization are more common. ...
Retevis RT94 Smart Repeater Digital+LTE Converged Communication System
- Feb 29,2020
- Yolanda
- 3 Comments
- Product Introduction
The Retevis's new generation of wide-narrow converged communication wireless intercom smart system integrates DMR, analog and other narrow-band private network technologies &3G / 4G LTE, WLAN and other wide-band technologies to provide end-to-end voice, data and other full-service convergence solutions. ...
Retevis RT95 Mobile Radio Display Icon
- Feb 27,2020
- Yolanda
- 0 Comments
- Product Introduction
Most of radio's display is LCD. RT95 use TFT display. The technology is more complicated than LCD. It is also a special point of RT95.Today let learn what's the meaning of the display icon. ...
Retevis RT95 Mobile Radio Front and Rear Panels Introduction
- Feb 27,2020
- Yolanda
- 0 Comments
- Product Introduction
We know that the RT95 is a dual band analog mobile radio. It is an amateur mobile radio. Today let learn something about its front and rear pannel design. ...
Retevis RT95 Analog Ham Mobile Radio Transceiver
- Feb 27,2020
- Yolanda
- 0 Comments
- Product Introduction
RT95 Mobile Radio has nice housing, stoutness & stability, advanced and reliable functions, perfect & valuable. This amateur mobile radio especially designs for drivers and it pursues philosophy of innovation and practicality. ...
AMSAT Opposes FCC Plan to Delete the 3.4 GHz Band
- Feb 27,2020
- Vivian
- 0 Comments
- Amateur Radio News
The amateur satellite organization AMSAT commented on a notice from the Federal Communications Commission that proposed the deletion of the 3.3-3.5 GHz (9 cm band) amateur band, of which 3.40-3.41 GHz was originally allocated for the amateur satellite service. ...
How to transmit long distance for UHF and VHF ?
- Feb 26,2020
- Yamy
- 0 Comments
- Radio knowledge
As we all know, the transmission distance of VHF and UHF signals is very limited in normal, but under certain conditions, long-distance or even ultra-long-distance transmission can also be achieved. ...
Retevis RT90 Dual Band DMR Mobile Radio
- Feb 24,2020
- Yolanda
- 0 Comments
- Product Introduction
RT90 is a dual band DMR mobile radio. It supports UHF and VHF, Analog mode and DMR mode, dual standby. Two power level, the max power is 50w. Here I will show more information of it. ...