The cellular modems offered in our price lists include AirLink's CDPD and CDMA; we no longer offer an analog cellular telephone package. The AirLink Redwing CDMA is a full-duplex digital cellular modem. Communication between your computer's modem and the Redwing CDMA uses a Verizon Wireless CDMA network and the public switched telephone network.

Data is transmitted at rates up to 14.4 kbps (three times that of the COM100) and is billed based on airtime. The Redwing CDMA has a typical current drain of 120 mA at 12 volts while transmitting or receiving and 20 mA during a dormant connection (idle for 10 to 20 seconds).

Prior to purchase, contact your local cellular provider to verify that CDMA coverage is available for your datalogger site and will be available for the duration of your project. Use with other CDMA providers may be possible; contact Campbell Scientific for details.


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