Have owned the RCI 2970dx from new for about 6 months and have had lots of good reports on signal and audio, I use the Astatic teardrop mic. Have been very pleased with this radio although the needle seems very lazy, could be just mine, dont know.
Al
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Al -163FB777 - N.Wales, UK
Kenwood TS-480SAT, MC-60A mic, 827-Base + 3 elli beam
K40 when mobile