Telephone communication links require a CSI field modem at the datalogger site and a Hayes-compatible modem at the calling end. Surge protection is strongly recommended.
The COM320 is a voice-synthesizer modem that adds speech capability to a CR800, CR850, CR1000, or CR3000 data logger. This capability allows the user to call a site for a spoken summary of real-time o...read more
The COM220 phone modem enables communications between a computer and a Campbell Scientific data logger over a public switched telephone network. A Hayes-compatible modem is required at the computer...read more
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