The General Radiotelephone BB-30. This was there 9 tube 25 watt RF output business band radio. This radio has 2 channels. The earlier BB-30 only had one channel. It was designed for the business channel 27.420. The picture does not show the chan. A and chan. B on the rocker switch that is just right of the volume control. It also has the famous ECLL800 tube. They used a Ceramic microphone built by Turner.
12 VDC, 115 VAC
Tubes: 6BQ7A 6CW4 6GH8A 6U8 6BA6 12AX7A ECLL800 6AL11 6CW4 6HB5.