Rig Expert Ukraine Ltd is a manufacturer of ham and PMR Two-way radio RF antenna analysis[1] and antenna tuning[2] equipment. The company was founded in 2003 and is headquartered in Kyiv, Ukraine.
The AA-30, AA-54 & AA-170 are almost the same product except for the frequency range. Similarly, the AA-600, AA-1000 & AA-1400 are the same product except for the different frequency range.
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