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(DC-40N-POE-Stainless) Cleanroom, Operating Room, NTP-Network POE Powered, 4.0 Inch Digital LED Atomic Clock, 316L Stainless Steel IP-66 Enclosure
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Amazon.com: TimeMachines, NTP Network Time Server with GPS, TM1000A, A GPS Antenna maintains current time broadcast by U.S. Satellites : Electronics
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(DC-60N-IN-NEMA) 6 Inch LED, Network NTP Server Synchronized, Web Page Configurable, Atomic Digital Time of Day Clock, NEMA 4X Enclosed (INDOOR)
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