Check the listing for details. DPS Telecom AlphaMax Remote Alarm Detection System Telemetry Network Monitoring. Condition: New. Listed at 679.99 USD. The AlphaMax isn't limited to pager notifications, however. Alphamax Specifications. Use the AC adapter provided with the AlphaMax or power by DC input. Battery backup available on an. Primary and backup pager numbers: Even the best on-call technician occasionally fails to respond to alarms.