Zastone UV008. Amateur digital DMR radio station with direct frequency input

A complete review of the Zastone UV008 portable radio.
Complete set, design, control, measurement of output power, consumption currents. Definition of working time. Measurement of sensitivity and selectivity in the adjacent channel, checking standard antennas. Demonstration of reception and modulation. Advantages and disadvantages of the radio station.
For detailed technical specifications and a photo review of the UV008 radio station, see the Viva-Telecom website - viva-telecom.org/16212/zaston...
The official Zastone store on AliExpress - aliclick.shop/r/c/1rel8lcp06n...
Video episodes:
00:00 Start
01:24 Equipment
03:26 Construction
07:22 Management
19:41 Output power
21:15 Consumption
25:46 Determination of working time
27:00 Sensitivity
30:26 UK selectivity
31:48 Speaker reception and volume
32:27 Modulation
32:55 Checking stock antennas
35:39 Conclusions
Equipment used in the video:
- Antenna analyzer RigExpert AA-1000 - viva-telecom.org/11031/rigexp...
- Laboratory power supply Owon P4603 - hviva-telecom.org/14511/owon/p...
- Desktop multimeter Owon XDM3051 - viva-telecom.org/14499/owon/x...
- Sound level meter Victor 824 - viva-telecom.org/14502/victor...
- A set of RF connectors Anli YC-30 - viva-telecom.org/6969/anli/yc...
- Reflectometer E621
- HP E4400B Signal Generator
Rating of the best manufacturers of radio stations - viva-telecom.org/articles/bes...
The results of testing the parameters of all radio stations in the Viva-Telecom laboratory: viva-telecom.org/articles/tes...
The results of testing the operation of all radio stations in urban conditions from Viva-Telecom: viva-telecom.org/articles/tes...
Adjacent channel sensitivity and selectivity video - • Определение чувствител...
A video about measuring the SWR of portable antennas - • Измерение графика КСВ ...
dBm to µV sensitivity conversion calculator - viva-telecom.org/articles/dbm...
Radio station operating time calculator - viva-telecom.org/articles/bat...
Photo reviews of our products: viva-telecom.org/fotos/new/
About Viva-Telecom: viva-telecom.org/company/
Our news: viva-telecom.org/news/
Our VKontakte group: viva_telecom
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