Zastone UV008. Любительская цифровая DMR радиостанция с прямым вводом частоты

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 - https://viva-telecom.org/16212/zaston... The official Zastone store on AliExpress - https://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 - https://viva-telecom.org/11031/rigexp... Laboratory power supply Owon P4603 - hhttps://viva-telecom.org/14511/owon/p... Desktop multimeter Owon XDM3051 - https://viva-telecom.org/14499/owon/x... Sound level meter Victor 824 - https://viva-telecom.org/14502/victor... A set of RF connectors Anli YC-30 - https://viva-telecom.org/6969/anli/yc... Reflectometer E621 HP E4400B Signal Generator Rating of the best manufacturers of radio stations - https://viva-telecom.org/articles/bes... The results of testing the parameters of all radio stations in the Viva-Telecom laboratory: https://viva-telecom.org/articles/tes... The results of testing the operation of all radio stations in urban conditions from Viva-Telecom: https://viva-telecom.org/articles/tes... Adjacent channel sensitivity and selectivity video -    • Определение чувствительности и избирательн...   A video about measuring the SWR of portable antennas -    • Измерение графика КСВ портативной антенны....   dBm to µV sensitivity conversion calculator - https://viva-telecom.org/articles/dbm... Radio station operating time calculator - https://viva-telecom.org/articles/bat... Photo reviews of our products: https://viva-telecom.org/fotos/new/ About Viva-Telecom: https://viva-telecom.org/company/ Our news: https://viva-telecom.org/news/ Our VKontakte group: http://vk.com/viva_telecom #zastone #vitai