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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
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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OPMSC12 PNP Input 12-24V PNP Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
$18.99
OPMSC12PNP Input 3.3-5V PNP Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
$18.99
OPMSC12 PNP Input 12-24V NPN Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
$18.99
OPMSC12 Input 3.3-5V PNP Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
$17.99
OPMSC12 PNP Input 12-24V PNP Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
$17.99
OPMSC12 PNP Input 12-24V NPN Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
$17.99
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UART 485/232/TTL
UART 485/232/TTL
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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 24V 32Ch DC 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 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
$121.80
R4D3C32 24V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
$80.40
RT18A01 4pcs RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave control 868M FSK Uhf Module
$79.99
RT18A01 4pcs RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave control 433M FSK Uhf Module
$79.99
R4D3C32 12V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
$76.94
N4D4F64 DC 7-27V 64CH Multifunction Modbus DI-DO Module Isolate Input Darlington Output for PLC Relay HMI IC Tester Industrial Control
$75.99
RT4AE01 868MHz USB RJ45 Female FSK RF Wireless Communication Serial Data Transmission
$69.99
RT4AE01 USB RJ45 Female FSK RF Wireless Communication Serial Data Transmission
$69.99
RT4AE01 868mhz UART USB to RS485 RF Wireless FSK Serial Port Data Transmit Master Slave
$69.99
RT4AE01 Master Salved 868mhz UART RS232 to RS485 RF FSK Serial Port Data Wireless Master Slave PTZ PLC
$69.99
RT4AE01 433mhz UART RS485 UART RF Serial Port Data Passthrough Master Slave Device PTZ
$69.99
RT4AE01 433mhz UART USB to RS485 RF Serial Port Data Passthrough Master Slave Device PTZ
$69.99
RT4AE01 433mhz UART USB to RS232 RF Serial Port Data Passthrough Master Slave Device PTZ
$69.99
RT4AE01 433mhz UART RS232 to RS485 RF FSK Serial Port Data Passthrough Master Slave
$69.99
RT4AE01 868mhz UART USB to RS232 RF Serial Port FSK Data Wireless Control Master Slave
$69.99
RT4AE01 RS485 Master Slave Network Transceiver RF Wireless Repeater FSK 868MHz Uhf UART
$69.99
RT4AE01 433M RS232 FSK RF Wireless Comunication Serial Data Long-Distance Transmission
$69.99
RT4AE01 868MHz RS232 Wireless Radio Modem 20dBm Data Transceiver Modbus GFSK Modulation
$69.99
RT24G01 Air Data Rate 2Mbps 2.4G ISM Band Fast RS485 Transceiver Module DC 12V 24V Din Rail DIP Switch 20DBM DTU Modbus RTU
$69.99
RT38B01 5PCS 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Master Slave
$59.99
N4ROF32 12V Mini DC 12V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$52.99
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
RYR432D With Din Rail Easy Setup 24V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$51.99
RYR432D With Din Rail Easy Setup 12V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$51.99
RYR432D Easy Setup 12V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$49.99
RYR432D Easy Setup 24V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
$49.99
N4ROF32 12V Mini DC 12V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$49.99
N4ROF32 Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$49.99
R421C32 32CH DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch For LED Motor PLC PTZ Camera
$49.99
ETD8A12 12V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
$49.99
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
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
$42.44
N4D8C1224V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
$42.44
N438C15 DC 24V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
$39.99
N438C15 DC 12V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
$39.99
RT5BF01 N4RFA04 Relay RT5BF01 DC 12V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC
$39.99
RT5BF01 N4RFA04 Relay RT5BF01 DC 24V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC
$39.99
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