Bosch EA500B | Sends alarm and test signals from the receiver to the central console | Uses AC power with battery backup for all receivers. Fast Shipping. Buy Now.
The EA500B is a transponder device controller for up to 64 devices, any combination of receivers and alert units. Its primary function is to monitor the receivers, alert units, report conditions and events to the central console over wire or ProxLink radios. It also provides power to certain devices.
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