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Technical Specifications Equipped with GPRS Class 10 : Coding schemes CS1 to CS4 CSD Data Service supported Frequency EGSM900/GSM1800 Dual-band Option of 4 bands Sensitivity -106dBm The Maximum transmission Power EGSM900 Class4 (2W) DCS1800 Class1 (1W)GSM/GPRS modem M590 is a compact design for automatic meter reading projects.It can be delivered as internal or external modems, both can take power directly from energy meters, therefore, there will be no need to connect any AC/DC power adaptors to avoid wiring.
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