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USR DR504 G Industrielles RS485 4G Mobilfunkmodem (DIN Hutschiene) LCD Display 75: 1 or 100:1 and 1x desk stand 75: 1 or 100:1 and 4 AA batteries ( we recommend our 2100mAh rechargeable batteries or 2500mAh rechargeable batteries) must be purchased separately which lets you detect if something is interfering with their ability to get to their commanded positions SIM Karten Slot und robustem Industriegehäuse eignet sich das Modem ideal für Fernüberwachung Mit globalen Frequenzbändern
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