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61% off
▶✔▃AC889-Low Cost -TCP232-T2 Serial TTL to Ethernet Module Supports Data Transferred over LAN Network T2-E8 New ▶✔▃AC889-Low Cost -TCP232-T2 Serial TTL to Ethernet Module Supports Data Transferred over LAN Network T2-E8 New

▶✔▃AC889-Low Cost -TCP232-T2 Serial TTL to Ethernet Module Supports Data Transferred over LAN Network T2-E8 New

$13.72$35.17

61% off
B67C 125Khz Waterproof Access Control Reader RFID Support ID Card Reader With RS232 Serial Port B67C 125Khz Waterproof Access Control Reader RFID Support ID Card Reader With RS232 Serial Port

B67C 125Khz Waterproof Access Control Reader RFID Support ID Card Reader With RS232 Serial Port

$13.95$35.78

5% off
05-02118 SER6437A RS-232 2-port serial communication card 05-02118 SER6437A RS-232 2-port serial communication card

05-02118 SER6437A RS-232 2-port serial communication card

$570.00$600.00

5% off
COM-2DL-PCI No.7375B Serial Communication PCI Card RS-422A/485 2ch

COM-2DL-PCI No.7375B Serial Communication PCI Card RS-422A/485 2ch

$2422.50$2550.00

5% off
CP-104EL CP-104EL-A VER：1.5 4-port multi-serial card CP-104EL CP-104EL-A VER：1.5 4-port multi-serial card

CP-104EL CP-104EL-A VER：1.5 4-port multi-serial card

$1235.00$1300.00

67% off
Rfid Nfc Smart Chip Secret Key 13.56mhz Rewritable Label 1k S50 Clone Token Cuid Changeable 25mm Sticker Iso14443 Coin Card Rfid Nfc Smart Chip Secret Key 13.56mhz Rewritable Label 1k S50 Clone Token Cuid Changeable 25mm Sticker Iso14443 Coin Card

Rfid Nfc Smart Chip Secret Key 13.56mhz Rewritable Label 1k S50 Clone Token Cuid Changeable 25mm Sticker Iso14443 Coin Card

$21.83$66.16

31 sold
19% off
USR-N520 Serial RS232 RS485 to Ethernet TCP/IP Converter with Modbus RTU to TCP and Web Server USR-N520 Serial RS232 RS485 to Ethernet TCP/IP Converter with Modbus RTU to TCP and Web Server

USR-N520 Serial RS232 RS485 to Ethernet TCP/IP Converter with Modbus RTU to TCP and Web Server

$241.95$298.70

3 sold
49% off
[NEW A09R!】 IC Card Reader/Writer Module RFID Reader/Writer Card Issuer TTL Serial Port URAT [NEW A09R!】 IC Card Reader/Writer Module RFID Reader/Writer Card Issuer TTL Serial Port URAT

[NEW A09R!】 IC Card Reader/Writer Module RFID Reader/Writer Card Issuer TTL Serial Port URAT

$8.63$16.92

5% off
PCI-1602B dual-port serial card PCI-1602B dual-port serial card

PCI-1602B dual-port serial card

$1425.00$1500.00

53% off
A92Z Fingerprint Sensor Module Fingerprint Reader Module For Arduino Locks Serial Communication Interface A92Z Fingerprint Sensor Module Fingerprint Reader Module For Arduino Locks Serial Communication Interface

A92Z Fingerprint Sensor Module Fingerprint Reader Module For Arduino Locks Serial Communication Interface

$12.51$26.61

47% off
ZK IP68 Waterproof Wiegand Wg26 Wg34 RFID IC Card Reader Proximity 125Khz 13.56Mhz ID for Access Control System ZK IP68 Waterproof Wiegand Wg26 Wg34 RFID IC Card Reader Proximity 125Khz 13.56Mhz ID for Access Control System

ZK IP68 Waterproof Wiegand Wg26 Wg34 RFID IC Card Reader Proximity 125Khz 13.56Mhz ID for Access Control System

$109.18$206.00

6 sold
18% off
4 Ports Serial Device Server Linux System RS232 RS485 RS422 to Ethernet Converter Serial Port Server HF5142 4 Ports Serial Device Server Linux System RS232 RS485 RS422 to Ethernet Converter Serial Port Server HF5142

4 Ports Serial Device Server Linux System RS232 RS485 RS422 to Ethernet Converter Serial Port Server HF5142

$86.10$105.00

13% off
Access card reader head 125k Wiegand TTL waterproof ABS DC5-24V/RS485 card sliding RS232 serial port NFC access control system Access card reader head 125k Wiegand TTL waterproof ABS DC5-24V/RS485 card sliding RS232 serial port NFC access control system

Access card reader head 125k Wiegand TTL waterproof ABS DC5-24V/RS485 card sliding RS232 serial port NFC access control system

$164.21$190.00

9% off
FONKAN UHF RFID Industrial Reader Metal Shell IP65 ISO18000-6C RS232 Serial Port 0-2M 3dbi Antenna Free SDK And Software FONKAN UHF RFID Industrial Reader Metal Shell IP65 ISO18000-6C RS232 Serial Port 0-2M 3dbi Antenna Free SDK And Software

FONKAN UHF RFID Industrial Reader Metal Shell IP65 ISO18000-6C RS232 Serial Port 0-2M 3dbi Antenna Free SDK And Software

$123.49$135.70

18% off
Ethernet to TTL Serial Port Converter Module Modbus TCP to RTU DTU Module TCP IP Serial Server Industrial Communication Module Ethernet to TTL Serial Port Converter Module Modbus TCP to RTU DTU Module TCP IP Serial Server Industrial Communication Module

Ethernet to TTL Serial Port Converter Module Modbus TCP to RTU DTU Module TCP IP Serial Server Industrial Communication Module

$9.02$11.00

5% off
ITEB-1011 serial interface card ITEB-1011 serial interface card

ITEB-1011 serial interface card

$1235.00$1300.00

19% off
FT232RNL USB To Serial Port RS232 RS485 RS422 TTL Interface Converter Unit for Automation Control FT232RNL USB To Serial Port RS232 RS485 RS422 TTL Interface Converter Unit for Automation Control

FT232RNL USB To Serial Port RS232 RS485 RS422 TTL Interface Converter Unit for Automation Control

$152.68$188.49

2 sold
16% off
2 Channel Wiegand To USB Wiegand Signal Converter WG26/WG34 Virtual Serial Port HID-USB Adjustable 2 Channel Wiegand To USB Wiegand Signal Converter WG26/WG34 Virtual Serial Port HID-USB Adjustable

2 Channel Wiegand To USB Wiegand Signal Converter WG26/WG34 Virtual Serial Port HID-USB Adjustable

$18.48$22.00

8 sold
44% off
2026 New Ibutton Card Reader Texas Ibutton Card Reader Ibutton Card Reader With Dual USB And Serial Interfaces 2026 New Ibutton Card Reader Texas Ibutton Card Reader Ibutton Card Reader With Dual USB And Serial Interfaces

2026 New Ibutton Card Reader Texas Ibutton Card Reader Ibutton Card Reader With Dual USB And Serial Interfaces

$25.83$46.12

10% off
USB Interface Driver-free Access Control Card Issuer RS232 Serial Port 125KHz 13.56MHz RF Card Reader for Access Control System USB Interface Driver-free Access Control Card Issuer RS232 Serial Port 125KHz 13.56MHz RF Card Reader for Access Control System

USB Interface Driver-free Access Control Card Issuer RS232 Serial Port 125KHz 13.56MHz RF Card Reader for Access Control System

$13.41$15.06

1 sold
18% off
USB to RS485 RS232 TTL Converter TTL to RS485 RS232 Multi-functional Serial Port Converter USB to RS485 RS232 TTL Converter TTL to RS485 RS232 Multi-functional Serial Port Converter

USB to RS485 RS232 TTL Converter TTL to RS485 RS232 Multi-functional Serial Port Converter

$15.58$19.00

5% off
DMT80600C080_02W Serial screen DMT80600C080_02W Serial screen

DMT80600C080_02W Serial screen

$760.00$800.00

5% off
COM-8C-PE industrial serial port acquisition card COM-8C-PE industrial serial port acquisition card

COM-8C-PE industrial serial port acquisition card

$193.80$204.00

38% off
【MUST-HAVE】IC Card RFID Reader/Writer Module Card Issuer Card Reader URAT TTL Serial Port Reader/Writer Module 【MUST-HAVE】IC Card RFID Reader/Writer Module Card Issuer Card Reader URAT TTL Serial Port Reader/Writer Module

【MUST-HAVE】IC Card RFID Reader/Writer Module Card Issuer Card Reader URAT TTL Serial Port Reader/Writer Module

$8.37$13.50

5% off
PCS-JF PLC to serial motherboard PCS-JF PLC to serial motherboard

PCS-JF PLC to serial motherboard

$458.85$483.00

28% off
Mini portable USB Port 13.56Mhz rfid Card IC Card Reader USB Proximity Sensor Smart Card Reader HF IC MF reader Suitable laptops Mini portable USB Port 13.56Mhz rfid Card IC Card Reader USB Proximity Sensor Smart Card Reader HF IC MF reader Suitable laptops

Mini portable USB Port 13.56Mhz rfid Card IC Card Reader USB Proximity Sensor Smart Card Reader HF IC MF reader Suitable laptops

$4.61$6.40

58 sold
5% off
IMB-M40H 4PCI-6 serial port IMB-M40H 4PCI-6 serial port

IMB-M40H 4PCI-6 serial port

$1045.00$1100.00

41% off
Wireless For RS485 Transparent Serial Module Supporting 1200 2400 4800 9600 19200 Baud Rates for Legacy System Compatibility Wireless For RS485 Transparent Serial Module Supporting 1200 2400 4800 9600 19200 Baud Rates for Legacy System Compatibility

Wireless For RS485 Transparent Serial Module Supporting 1200 2400 4800 9600 19200 Baud Rates for Legacy System Compatibility

$133.54$226.34

24% off
RS232 RFID 125Khz ID Reader EM4100 TK4100 EM Card Reader Serial Port Interface RS232 RFID 125Khz ID Reader EM4100 TK4100 EM Card Reader Serial Port Interface

RS232 RFID 125Khz ID Reader EM4100 TK4100 EM Card Reader Serial Port Interface

$9.12$12.00

2 sold
58% off
B24B Optical Fingerprint Module Optical Fingerprint Sensor Module For Arduino Locks Serial Communication Interface B24B Optical Fingerprint Module Optical Fingerprint Sensor Module For Arduino Locks Serial Communication Interface

B24B Optical Fingerprint Module Optical Fingerprint Sensor Module For Arduino Locks Serial Communication Interface

$11.87$28.26

19% off
USB to RS232 RS485 Industrial Grade Isolated Serial Converter, Onboard Original FT232RNL Chip, Multiple Protection, Wall-mount USB to RS232 RS485 Industrial Grade Isolated Serial Converter, Onboard Original FT232RNL Chip, Multiple Protection, Wall-mount

USB to RS232 RS485 Industrial Grade Isolated Serial Converter, Onboard Original FT232RNL Chip, Multiple Protection, Wall-mount

$100.12$123.60

8 sold
19% off
USR N520 H7-6 Dual Port RS232 RS485 Industrial Serial to Ethernet Converter with Modbus Gateway USR N520 H7-6 Dual Port RS232 RS485 Industrial Serial to Ethernet Converter with Modbus Gateway

USR N520 H7-6 Dual Port RS232 RS485 Industrial Serial to Ethernet Converter with Modbus Gateway

$221.09$272.95

5 sold
RS232 Serial Port To Wiegand Format WG26/34 Bidirectional Transmission Onverting /RS232 Serial Port Male/ Female To Wiegand RS232 Serial Port To Wiegand Format WG26/34 Bidirectional Transmission Onverting /RS232 Serial Port Male/ Female To Wiegand

RS232 Serial Port To Wiegand Format WG26/34 Bidirectional Transmission Onverting /RS232 Serial Port Male/ Female To Wiegand

$15.89$15.89

3 sold
5% off
UC-310B 2-port optical isolation RS422/485 serial card UC-310B 2-port optical isolation RS422/485 serial card

UC-310B 2-port optical isolation RS422/485 serial card

$1235.00$1300.00

33% off
Premium Quality RS - 232 to RS - 485 Adapter - Female - Female Connector for Reliable Serial Communication Premium Quality RS - 232 to RS - 485 Adapter - Female - Female Connector for Reliable Serial Communication

Premium Quality RS - 232 to RS - 485 Adapter - Female - Female Connector for Reliable Serial Communication

$15.41$23.00

5% off
PCBCP-118EL 8-port PCI-E serial port card PCBCP-118EL 8-port PCI-E serial port card

PCBCP-118EL 8-port PCI-E serial port card

$181.45$191.00

61% off
▶✔▃AC889-Low Cost -TCP232-T2 Serial TTL to Ethernet Module Supports Data Transferred over LAN Network T2-E8 New ▶✔▃AC889-Low Cost -TCP232-T2 Serial TTL to Ethernet Module Supports Data Transferred over LAN Network T2-E8 New

▶✔▃AC889-Low Cost -TCP232-T2 Serial TTL to Ethernet Module Supports Data Transferred over LAN Network T2-E8 New

$13.72 $35.17

Categories: Security & Protection, Access Building Automation

Buy Now
61% off
B67C 125Khz Waterproof Access Control Reader RFID Support ID Card Reader With RS232 Serial Port B67C 125Khz Waterproof Access Control Reader RFID Support ID Card Reader With RS232 Serial Port

B67C 125Khz Waterproof Access Control Reader RFID Support ID Card Reader With RS232 Serial Port

$13.95 $35.78

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
05-02118 SER6437A RS-232 2-port serial communication card 05-02118 SER6437A RS-232 2-port serial communication card

05-02118 SER6437A RS-232 2-port serial communication card

$570.00 $600.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
COM-2DL-PCI No.7375B Serial Communication PCI Card RS-422A/485 2ch

COM-2DL-PCI No.7375B Serial Communication PCI Card RS-422A/485 2ch

$2422.50 $2550.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
CP-104EL CP-104EL-A VER：1.5 4-port multi-serial card CP-104EL CP-104EL-A VER：1.5 4-port multi-serial card

CP-104EL CP-104EL-A VER：1.5 4-port multi-serial card

$1235.00 $1300.00

Categories: Security & Protection, Access Building Automation

Buy Now
67% off
Rfid Nfc Smart Chip Secret Key 13.56mhz Rewritable Label 1k S50 Clone Token Cuid Changeable 25mm Sticker Iso14443 Coin Card Rfid Nfc Smart Chip Secret Key 13.56mhz Rewritable Label 1k S50 Clone Token Cuid Changeable 25mm Sticker Iso14443 Coin Card

Rfid Nfc Smart Chip Secret Key 13.56mhz Rewritable Label 1k S50 Clone Token Cuid Changeable 25mm Sticker Iso14443 Coin Card

$21.83 $66.16

31 sold

Categories: Security & Protection, Access Building Automation

Buy Now
19% off
USR-N520 Serial RS232 RS485 to Ethernet TCP/IP Converter with Modbus RTU to TCP and Web Server USR-N520 Serial RS232 RS485 to Ethernet TCP/IP Converter with Modbus RTU to TCP and Web Server

USR-N520 Serial RS232 RS485 to Ethernet TCP/IP Converter with Modbus RTU to TCP and Web Server

$241.95 $298.70

3 sold

Categories: Security & Protection, Access Building Automation

Buy Now
49% off
[NEW A09R!】 IC Card Reader/Writer Module RFID Reader/Writer Card Issuer TTL Serial Port URAT [NEW A09R!】 IC Card Reader/Writer Module RFID Reader/Writer Card Issuer TTL Serial Port URAT

[NEW A09R!】 IC Card Reader/Writer Module RFID Reader/Writer Card Issuer TTL Serial Port URAT

$8.63 $16.92

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
PCI-1602B dual-port serial card PCI-1602B dual-port serial card

PCI-1602B dual-port serial card

$1425.00 $1500.00

Categories: Security & Protection, Access Building Automation

Buy Now
53% off
A92Z Fingerprint Sensor Module Fingerprint Reader Module For Arduino Locks Serial Communication Interface A92Z Fingerprint Sensor Module Fingerprint Reader Module For Arduino Locks Serial Communication Interface

A92Z Fingerprint Sensor Module Fingerprint Reader Module For Arduino Locks Serial Communication Interface

$12.51 $26.61

Categories: Security & Protection, Access Building Automation

Buy Now
47% off
ZK IP68 Waterproof Wiegand Wg26 Wg34 RFID IC Card Reader Proximity 125Khz 13.56Mhz ID for Access Control System ZK IP68 Waterproof Wiegand Wg26 Wg34 RFID IC Card Reader Proximity 125Khz 13.56Mhz ID for Access Control System

ZK IP68 Waterproof Wiegand Wg26 Wg34 RFID IC Card Reader Proximity 125Khz 13.56Mhz ID for Access Control System

$109.18 $206.00

6 sold

Categories: Security & Protection, Access Building Automation

Buy Now
18% off
4 Ports Serial Device Server Linux System RS232 RS485 RS422 to Ethernet Converter Serial Port Server HF5142 4 Ports Serial Device Server Linux System RS232 RS485 RS422 to Ethernet Converter Serial Port Server HF5142

4 Ports Serial Device Server Linux System RS232 RS485 RS422 to Ethernet Converter Serial Port Server HF5142

$86.10 $105.00

Categories: Security & Protection, Access Building Automation

Buy Now
13% off
Access card reader head 125k Wiegand TTL waterproof ABS DC5-24V/RS485 card sliding RS232 serial port NFC access control system Access card reader head 125k Wiegand TTL waterproof ABS DC5-24V/RS485 card sliding RS232 serial port NFC access control system

Access card reader head 125k Wiegand TTL waterproof ABS DC5-24V/RS485 card sliding RS232 serial port NFC access control system

$164.21 $190.00

Categories: Security & Protection, Access Building Automation

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9% off
FONKAN UHF RFID Industrial Reader Metal Shell IP65 ISO18000-6C RS232 Serial Port 0-2M 3dbi Antenna Free SDK And Software FONKAN UHF RFID Industrial Reader Metal Shell IP65 ISO18000-6C RS232 Serial Port 0-2M 3dbi Antenna Free SDK And Software

FONKAN UHF RFID Industrial Reader Metal Shell IP65 ISO18000-6C RS232 Serial Port 0-2M 3dbi Antenna Free SDK And Software

$123.49 $135.70

Categories: Security & Protection, Access Building Automation

Buy Now
18% off
Ethernet to TTL Serial Port Converter Module Modbus TCP to RTU DTU Module TCP IP Serial Server Industrial Communication Module Ethernet to TTL Serial Port Converter Module Modbus TCP to RTU DTU Module TCP IP Serial Server Industrial Communication Module

Ethernet to TTL Serial Port Converter Module Modbus TCP to RTU DTU Module TCP IP Serial Server Industrial Communication Module

$9.02 $11.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
ITEB-1011 serial interface card ITEB-1011 serial interface card

ITEB-1011 serial interface card

$1235.00 $1300.00

Categories: Security & Protection, Access Building Automation

Buy Now
19% off
FT232RNL USB To Serial Port RS232 RS485 RS422 TTL Interface Converter Unit for Automation Control FT232RNL USB To Serial Port RS232 RS485 RS422 TTL Interface Converter Unit for Automation Control

FT232RNL USB To Serial Port RS232 RS485 RS422 TTL Interface Converter Unit for Automation Control

$152.68 $188.49

2 sold

Categories: Security & Protection, Access Building Automation

Buy Now
16% off
2 Channel Wiegand To USB Wiegand Signal Converter WG26/WG34 Virtual Serial Port HID-USB Adjustable 2 Channel Wiegand To USB Wiegand Signal Converter WG26/WG34 Virtual Serial Port HID-USB Adjustable

2 Channel Wiegand To USB Wiegand Signal Converter WG26/WG34 Virtual Serial Port HID-USB Adjustable

$18.48 $22.00

8 sold

Categories: Security & Protection, Access Building Automation

Buy Now
44% off
2026 New Ibutton Card Reader Texas Ibutton Card Reader Ibutton Card Reader With Dual USB And Serial Interfaces 2026 New Ibutton Card Reader Texas Ibutton Card Reader Ibutton Card Reader With Dual USB And Serial Interfaces

2026 New Ibutton Card Reader Texas Ibutton Card Reader Ibutton Card Reader With Dual USB And Serial Interfaces

$25.83 $46.12

Categories: Security & Protection, Access Building Automation

Buy Now
10% off
USB Interface Driver-free Access Control Card Issuer RS232 Serial Port 125KHz 13.56MHz RF Card Reader for Access Control System USB Interface Driver-free Access Control Card Issuer RS232 Serial Port 125KHz 13.56MHz RF Card Reader for Access Control System

USB Interface Driver-free Access Control Card Issuer RS232 Serial Port 125KHz 13.56MHz RF Card Reader for Access Control System

$13.41 $15.06

1 sold

Categories: Security & Protection, Access Building Automation

Buy Now
18% off
USB to RS485 RS232 TTL Converter TTL to RS485 RS232 Multi-functional Serial Port Converter USB to RS485 RS232 TTL Converter TTL to RS485 RS232 Multi-functional Serial Port Converter

USB to RS485 RS232 TTL Converter TTL to RS485 RS232 Multi-functional Serial Port Converter

$15.58 $19.00

Categories: Security & Protection, Access Building Automation

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5% off
DMT80600C080_02W Serial screen DMT80600C080_02W Serial screen

DMT80600C080_02W Serial screen

$760.00 $800.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
COM-8C-PE industrial serial port acquisition card COM-8C-PE industrial serial port acquisition card

COM-8C-PE industrial serial port acquisition card

$193.80 $204.00

Categories: Security & Protection, Access Building Automation

Buy Now
38% off
【MUST-HAVE】IC Card RFID Reader/Writer Module Card Issuer Card Reader URAT TTL Serial Port Reader/Writer Module 【MUST-HAVE】IC Card RFID Reader/Writer Module Card Issuer Card Reader URAT TTL Serial Port Reader/Writer Module

【MUST-HAVE】IC Card RFID Reader/Writer Module Card Issuer Card Reader URAT TTL Serial Port Reader/Writer Module

$8.37 $13.50

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
PCS-JF PLC to serial motherboard PCS-JF PLC to serial motherboard

PCS-JF PLC to serial motherboard

$458.85 $483.00

Categories: Security & Protection, Access Building Automation

Buy Now
28% off
Mini portable USB Port 13.56Mhz rfid Card IC Card Reader USB Proximity Sensor Smart Card Reader HF IC MF reader Suitable laptops Mini portable USB Port 13.56Mhz rfid Card IC Card Reader USB Proximity Sensor Smart Card Reader HF IC MF reader Suitable laptops

Mini portable USB Port 13.56Mhz rfid Card IC Card Reader USB Proximity Sensor Smart Card Reader HF IC MF reader Suitable laptops

$4.61 $6.40

58 sold

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
IMB-M40H 4PCI-6 serial port IMB-M40H 4PCI-6 serial port

IMB-M40H 4PCI-6 serial port

$1045.00 $1100.00

Categories: Security & Protection, Access Building Automation

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41% off
Wireless For RS485 Transparent Serial Module Supporting 1200 2400 4800 9600 19200 Baud Rates for Legacy System Compatibility Wireless For RS485 Transparent Serial Module Supporting 1200 2400 4800 9600 19200 Baud Rates for Legacy System Compatibility

Wireless For RS485 Transparent Serial Module Supporting 1200 2400 4800 9600 19200 Baud Rates for Legacy System Compatibility

$133.54 $226.34

Categories: Security & Protection, Access Building Automation

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24% off
RS232 RFID 125Khz ID Reader EM4100 TK4100 EM Card Reader Serial Port Interface RS232 RFID 125Khz ID Reader EM4100 TK4100 EM Card Reader Serial Port Interface

RS232 RFID 125Khz ID Reader EM4100 TK4100 EM Card Reader Serial Port Interface

$9.12 $12.00

2 sold

Categories: Security & Protection, Access Building Automation

Buy Now
58% off
B24B Optical Fingerprint Module Optical Fingerprint Sensor Module For Arduino Locks Serial Communication Interface B24B Optical Fingerprint Module Optical Fingerprint Sensor Module For Arduino Locks Serial Communication Interface

B24B Optical Fingerprint Module Optical Fingerprint Sensor Module For Arduino Locks Serial Communication Interface

$11.87 $28.26

Categories: Security & Protection, Access Building Automation

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19% off
USB to RS232 RS485 Industrial Grade Isolated Serial Converter, Onboard Original FT232RNL Chip, Multiple Protection, Wall-mount USB to RS232 RS485 Industrial Grade Isolated Serial Converter, Onboard Original FT232RNL Chip, Multiple Protection, Wall-mount

USB to RS232 RS485 Industrial Grade Isolated Serial Converter, Onboard Original FT232RNL Chip, Multiple Protection, Wall-mount

$100.12 $123.60

8 sold

Categories: Security & Protection, Access Building Automation

Buy Now
19% off
USR N520 H7-6 Dual Port RS232 RS485 Industrial Serial to Ethernet Converter with Modbus Gateway USR N520 H7-6 Dual Port RS232 RS485 Industrial Serial to Ethernet Converter with Modbus Gateway

USR N520 H7-6 Dual Port RS232 RS485 Industrial Serial to Ethernet Converter with Modbus Gateway

$221.09 $272.95

5 sold

Categories: Security & Protection, Access Building Automation

Buy Now
RS232 Serial Port To Wiegand Format WG26/34 Bidirectional Transmission Onverting /RS232 Serial Port Male/ Female To Wiegand RS232 Serial Port To Wiegand Format WG26/34 Bidirectional Transmission Onverting /RS232 Serial Port Male/ Female To Wiegand

RS232 Serial Port To Wiegand Format WG26/34 Bidirectional Transmission Onverting /RS232 Serial Port Male/ Female To Wiegand

$15.89 $15.89

3 sold

Categories: Security & Protection, Access Building Automation

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5% off
UC-310B 2-port optical isolation RS422/485 serial card UC-310B 2-port optical isolation RS422/485 serial card

UC-310B 2-port optical isolation RS422/485 serial card

$1235.00 $1300.00

Categories: Security & Protection, Access Building Automation

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33% off
Premium Quality RS - 232 to RS - 485 Adapter - Female - Female Connector for Reliable Serial Communication Premium Quality RS - 232 to RS - 485 Adapter - Female - Female Connector for Reliable Serial Communication

Premium Quality RS - 232 to RS - 485 Adapter - Female - Female Connector for Reliable Serial Communication

$15.41 $23.00

Categories: Security & Protection, Access Building Automation

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5% off
PCBCP-118EL 8-port PCI-E serial port card PCBCP-118EL 8-port PCI-E serial port card

PCBCP-118EL 8-port PCI-E serial port card

$181.45 $191.00

Categories: Security & Protection, Access Building Automation

Buy Now