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UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$19.99
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
$29.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
$3.99
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NIUP11TA 1Cell 1.2V-9.6V NiMH NiCd Rechargeable Battery Charger Charging Module Input DC 5V Board
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NIUP11TA 3Cell 1.2V-9.6V NiMH NiCd Rechargeable Battery Charger Charging Module Input DC 5V Board
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NIUP11TA 8Cell 1.2V-9.6V NiMH NiCd Rechargeable Battery Charger Charging Module Input DC 5V Board
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SD30CRMA 12V MPPT Controller 1A 3.2V 3.7V 3.8V 7.4V 11.1V 14.8V Lithium Battery Charger Module For 12V Solar Panels
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NIUP11TA 7Cell 1.2V-9.6V NiMH NiCd Rechargeable Battery Charger Charging Module Input DC 5V Board
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NIUP11TA 6Cell 1.2V-9.6V NiMH NiCd Rechargeable Battery Charger Charging Module Input DC 5V Board
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N4ROF32 24V Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$52.99
R421B16 16 channels DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor
$24.89
R421C32 32CH DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch For LED Motor PLC PTZ Camera
$49.99
R421A08 8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera
$21.99
ETHUB18 8CH DC12-24V Ethernet Network RS485 HUB Converter For UDP TCP Modbus TCP RTU MQTT HTTP PLC Configuration Software
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ETD8A12 12V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
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ETD8A12 24V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
$49.99
ET69C02 Only Board Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server MQTT PLC
$12.99
ET48A08 DC12V 2 IN 1 8CH Ethernet RS485 Relay Module Modbus Slave RTU TCP/IP UART Network Controller Switch PLC Control Board
$32.99
R4D6F20 12V 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage Read
$39.99
R4D6F20 24V 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage Read
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R4D5E32 12V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
$132.16
R4D5E32 12V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
$121.80
R4D5E32 24V 32Ch DC 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
$132.16
R4D5E32 24V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
$121.80
R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
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R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
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R4HUB08 1xRS485 to 8xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
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ETHUB18 1xNetwork to 8xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
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N438B08 8CH DC 12V RS485 Relay PC UART Serial Port Switch RTU 03 06 16 Function Code DIN Shell Switch Board
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N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
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N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
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N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
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N4D8C12 24V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
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N4D8C1224V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
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CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
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N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$27.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$25.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROA01 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$10.69
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$10.69
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$9.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
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N4ROB02 DC 24V 2CH Micro Size 3A RS485 Relay Board PC UART Serial Port Switch DC 12V 24V Dual_Channel Digital Output Module
$6.99
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