modbus Rtu rs485 master slave gsm gprs controller
modbus Rtu rs485 master slave gsm gprs controller (Support 3G/4G version) (Skype: lisali1220) (Whatsapp: 0086 13652426178) We Provide Free GPRS Server Software, Please contact us for more details Advance features 1. Adopted highly integrated industrial CPU 2. Easy used GUI configure software 3. Reliable performance with built-in double watchdog 4. Low maintenance, 24×7 operation 5. Support ring call when alarm 6. Temperature sensor (optional) 7. Internal battery and providing
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Price: $100-300/unit
Price: $100-300/unit
Price: $100-300/unit
Price: $100-$200/set
Price: $100-$200/set
Price: $100-$200/set
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