A complete overview of the Baofeng UV-9R Pro Handheld Dual Band Radio.
Completion, design, management. Checking the output power, receiver sensitivity, adjacent channel selectivity. Measuring the current consumption of the radio station and determining the real time of operation. Check the reception and speaker volume. Modulation check. Checking moisture protection. Complete disassembly of the case. Advantages and disadvantages.
Review of waterproof radio station Baofeng UV-9R Plus from Viva-Telecom - • Влагозащищенная радиос...
Mitalk Store Certified Baofeng Representative on Aliexpress - aliclick.shop/r/c/1r12mi2yvqg...
Equipment used in the video:
- Antenna analyzer RigExpert AA-1000 - viva-telecom.org/11031/rigexp...
- Owon P4305 laboratory power supply - viva-telecom.org/14512/owon/p...
- Desktop multimeter Owon XDM3051 - viva-telecom.org/14499/owon/x...
- Sound level meter Victor 824 - viva-telecom.org/14502/victor...
- Anli YC-30 RF Connector Set - viva-telecom.org/6969/anli/yc...
- Battery Analyzer SkyRC iMax B6 mini - viva-telecom.org/15839/skyrc/...
- Reflectometer E621
- Signal generator HP E4400B
- Millivoltmeter and battery internal resistance meter Yaorea YR1035 + - aliclick.shop/r/c/1r1p4mcezya...
Results of checking the parameters of all radio stations in the Viva-Telecom laboratory: viva-telecom.org/articles/tes...
A video on measuring sensitivity and selectivity on an adjacent channel - • Определение чувствител...
Video about measuring SWR of portable antennas - • Измерение графика КСВ ...
Calculator for converting sensitivity from dBm to μV - viva-telecom.org/articles/dbm...
Calculator for calculating the operating time of the radio station - viva-telecom.org/articles/bat...
17 ноя 2021