• Country
• United States of America (USA)

• Manufacturer / Brand
• Drake, R.L. Miamisburg, Ohio

• Year
• 1977 ?

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 92394

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Digital Readout DR-7 - Drake, R.L. Miamisburg, Ohio

• Shape
• Chassis only or for «building in»

• Notes
• Set of two boards to be installed in TR-7 transceiver or R-7 receiver providing digital frequency readout and continuous reception coverage 10 kHz- 30 MHz.

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 154 models, 99 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Drake, R.L. Miamisburg, Ohio