When a DTMF tone is received, a NodeMCU connected to the decoder calls an IFTTT job to echo the key to [WTH]’s phone as an SMS message. That makes it easy to drive around and test whether his ...

His DTMF decoder box uses a CM8870 DTMF decoder chip, which you might assume is all you need to get the job done. This chip performs its duties very well, ...

Cimarron Technologies Corp.'s C Plus II Display/Decoder has a single window display with a review of last 20 messages. ... MDC-1200, FleetSync, or DTMF compatible.

Cimarron Technologies ntroduces the VME-100 and the VMDE-200, two new plug-in ANI boards for Vertex standard radios. This is a true multi-format, plug-in encoder/decoder board ...