GSM Temperaturüberwachungssystem für BTS Remote DataGPRS 3G M2M S271 tzt-
143,02 €
2 IP data centers, supports Modbus TCP,TCP/IP protocol over GPRS/3G network;. - 1 temperature probe input, 1 humidity transducer input;. Usually it cost about 35USD-50USD. - ARM Cortex-M4 32 Bit RISC Core, 168 MHz inside, RTOS system;.
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