Oregon Scientific RTGN130-OEM PRYSMA Line Multi-Channel Temperature Humidity Sensor - Not In Retail Packaging with Radio Controlled Time Receiver designed to be an additional or replacement 5 channel sensor designed especially for the BAR292A PRYSMA weather station.
The RTGN130-OEM is the replacement sensor for the original RF (radio frequency) sensor. This sensor receives the atomic signal and is required for the atomic clock to function on the BAR292.
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