• Country
• United States of America (USA)

• Manufacturer / Brand
• Connect Systems Inc.; Encino, CA

• Year
• 1984 ?

• Category
• Telephony - wire and wireless

• Radiomuseum.org ID
• 345880

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 19

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Direct Current supply (DC) / 10-25 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Printed Circuit Board

• from Radiomuseum.org
• Model: Touch Tone Decoder CS-1688 - Connect Systems Inc.; Encino,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 4.5 x 6.5 x 0 inch / 114 x 165 x 0 mm

• Notes

• Programmable 16 Output DTMF decoder.

• Author
• Model page created by Alberto Sanna-Alonso. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Connect Systems Inc.; Encino, CA