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ELSPEC Multi-Frequency 3.5G Wireless ModemThe SCM-0001-000 wireless GPRS Modem provides fast mobile communication access and offers the perfect solution in industrial data communication. Is is fitted with a SIM card drawer structure, and it may be connected with any standard RS-422 interface. Data is transmitted at 3.5G, and the modem is fully compatible with GSM/GPRS/EDGE.In addtion to real-time monitoring with PQZIP, a patented data compression algorithm, the G4000 Power Quality Analyzer BLACKBOX stores onboard all the waveforms of every network cycle for up to a year at up to 1,024 samples per cycle resolution, eliminating the need for thresholds, triggers, or parameter setting for logging. The G4000 BLACKBOX Power Quality Analyzer calculates RMS, harmonics, and all desired values from waveforms in post-processing. The total number of parameters is practically unlimited. A unique time synchronization algorithm assures that logged data from multiple units is synchronized and displayed on the same time scale with typical 0.1 ms resolution. The results? Every event on a grid is accurately analyzed for precise root cause analysis and traced to its source.