File:Vintage RCA Portable Radio, Model B-411, AM Band, 4 Vacuum Tubes, Battery Powered, Made In USA, Circa 1950 - 1951 (32753344002).jpg - Wikimedia Commons
Vintage RCA All Transistor Radio AM FM WORKS! | eBay
RPX4500 Series Handheld Two Way Radio
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RCA RDR1520 Professional Compact Two-Way Radio with RadioSync™ Makes it Compatible with Motorola - RDR1520 Radio & Accessories - RCA - Radio Brands