This product is no longer available and has been replaced by: COM320.
COM300 Voice-Synthesized Modem
Services Available
Repair No
Calibration No
Free Support No


The COM300 enabled anyone to call a data logger via phone to receive a verbal report of real-time site conditions. The data logger could be programmed to report specific conditions or to allow a caller to select specific information by pressing numbers on a touch-tone phone. The COM300 supported data transfer rates of 9600, 1200, and 300 between data logger and PC.


Similar Products


Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21X (retired)
CR10 (retired) The COM300 is not compatible with the silver or 8032 black CR10 wiring panel. Originally the 10704 Power Adapter was used to connect the COM300 to these wiring panels. The 10704 adapter is no longer available.
CR10X (retired)
CR23X (retired)
CR500 (retired)
CR510 (retired)
CR9000 (retired)


LoggerTalk v.2.0 (1.2 MB) 12-05-2006

Voice modem (COM310, COM300 and VS1) voice string editor used with the following dataloggers: CR10(X), CR510 and CR23X.

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