PC Grabber Dtmf Modems and Dtmf Decoders

The PC Grabber™ is for software developers looking for a way to incorporate dtmf decoding and dtmf encoding into their software application. The PC Grabber™ has been used in many applications including health monitoring, gas and power meter reading, hotel wakeup systems and many more. The PC Grabber™ is powered by the serial port and has a modem like command set. If you have any questions about the PC Grabber™ capabilities or need sample interface software click here to send us a quick request.

PC Grabber™ Model 307 Dtmf Modem

PC Grabber Model 307 Dtmf Modem

PC Grabber Model 307 Specifions and Features

  • Decode and encode dtmf tones 0-9,*,#,A,B,C,D.
  • Detect incomming calls.
  • Serial port Powered, no external power required.
  • Simple AT modem type command set.
  • Sample applications in Visual Basic.


Hyper-Terminal example using PC Grabber command set:

ATA <Enter> : Takes telephone line off hook.
ATD 1234567890 <Enter> Dials dtmf tones 1234567890.
ATH <Enter> Hangs up the telephone line.

How to Purchase Users Manual

PC Grabber™ Model 308 Dtmf Modem

PC Grabber Model 308 Dtmf Modem

PC Grabber Model 308 Specifions and Features

  • Decode and encode dtmf tones 0-9,*,#,A,B,C,D.
  • Detect incomming calls.
  • Serial port Powered, no external power required.
  • Simple AT modem type command set.
  • Sample applications in Visual Basic.
  • Dial pulse/rotary digits
  • Capability to send a constant dtmf tone.


Hyper-Terminal example using PC Grabber command set:

ATA <Enter> : Takes telephone line off hook.
ATC * <Enter>Turns on dtmf tone *.
ATO <Enter> Turns dtmf tone off.

How to Purchase Users Manual

Telephone Line Powered Auto Dialers and Dtmf Dialers

LX350 Hotline DialerLX367 100 Number Speed Dialer

We offer many specialized telephone line powered auto dialers including hotline dialers, speed dialers, push button dialers, alarm dialers, flash hook generators, toll restrictors, call controllers and many more. We can customize any of our dialers to fit your application.

Dialer Buddy™ Dtmf Analyzer / Decoder

Dialer Buddy Dtmf Analyzer

The Dialer Buddy™ makes an excellent addition to the telephone technicians tool box. Use it for dtmf and pulse digit verification. Test auto dialers and speed dialers, direct inward dial lines, phone systems, voice mail and alarm systems. This unit decodes all dtmf tones including dtmf tones A,B,C,D. The dialer buddy also sends all data gathered to the external serial port allowing software developers write applications for logging data.