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The Optex TR-20U is a wireless repeater for repeating of any of the Wireless 1000 or 2000 series alarm signals. Use a TR-20U to boost of the signal of your driveway sensor, door alarm etc.
Perfect for use in large buildings, commercial settings etc. where RC-20U or RC-10U receivers may be too far from the sensor unit to reliably receive the alert signals.
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