Products

Suppliers

Filter Gallery
14,944

Rs232 Serial Module Factory

Products

Sorry! No matches were found.

4-channel 8-channel DB9 interface RS232 relay Board module 12VDC relay serial port remote control switch module for controllling car motors
Secured Trading Service

4-channel 8-channel DB9 interface RS232 relay Board module 12VDC relay serial port remote control switch module for controllling car motors

US $ 11-30 / Piece FOB
5 Pieces (MOQ)
More
Main Products: IC, Capacitor, Resistor, Electronic Components, Integrated Circuit, Transistor, Relay, Diode, MCU, Connector
Send Inquiry
Audited Supplier
Shenzhen Semilotec Co., Ltd.

Guangdong, China Since 2018
Chat Now Send Inquiry
Lt7689 RS232 Interface 5.0" TFT Serial Module with PCBA for Industrial Equipment
Secured Trading Service

Lt7689 RS232 Interface 5.0" TFT Serial Module with PCBA for Industrial Equipment

US $ 5.2-6 / pcs FOB
1,000 pcs (MOQ)
More
LCD Drive Mode : Multiplex Drive LCD Module
Send Inquiry
Audited Supplier
Hongkong Lestar Electronic Technology Limited

Guangdong, China Since 2024
Chat Now Send Inquiry
Modbus RTU to TCP, RS232/485 to Ethernet Module Serial Server Module
Secured Trading Service

Modbus RTU to TCP, RS232/485 to Ethernet Module Serial Server Module

US $ 30.99-32.99 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Analog I/O Modules, Signal Isolated Converter, Signal Conditioners, Current Splitter, PT100 Temperature Signal, Frequency Converters, DC to DC Converters, Digital I/O Modules, 4-20mA Signal Isolator,
Send Inquiry
Audited Supplier
Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
4-Channel 8-Channel Db9 Interface RS232 Relay Board Module 12VDC Relay Serial Port Remote Control Switch Module for Controllling Car Motors
Secured Trading Service

4-Channel 8-Channel Db9 Interface RS232 Relay Board Module 12VDC Relay Serial Port Remote Control Switch Module for Controllling Car Motors

US $ 10.9-29.9 / Piece FOB
5 Pieces (MOQ)
More
Shape : DIP
Send Inquiry
Audited Supplier
Coretek (Shenzhen) Electronics Co., Ltd

Guangdong, China Since 2026
Chat Now Send Inquiry
Serial Port to Industrial Ethernet RS232/485 to WiFi Module IoT Signal
Secured Trading Service

Serial Port to Industrial Ethernet RS232/485 to WiFi Module IoT Signal

US $ 9.9-11.99 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Analog I/O Modules, Signal Isolated Converter, Signal Conditioners, Current Splitter, PT100 Temperature Signal, Frequency Converters, DC to DC Converters, Digital I/O Modules, 4-20mA Signal Isolator,
Send Inquiry
Audited Supplier
Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
Siemens 6ES7151-3BA23-0AB0 PLC Serial Communication Module RS232/422/485
Secured Trading Service

Siemens 6ES7151-3BA23-0AB0 PLC Serial Communication Module RS232/422/485

US $ 10-1,000 / Piece FOB
1 Piece (MOQ)
More
Condition : New
Send Inquiry
Audited Supplier
Beijing Zhongping Technology Co., Ltd.

Trading Company

Beijing, China Since 2025
Chat Now Send Inquiry
Factory Price 125kHz RFID Module Reader Transponder with External Coil Antenna
Secured Trading Service

Factory Price 125kHz RFID Module Reader Transponder with External Coil Antenna

US $ 5-26 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lf/Hf/UHF RFID Reader, RFID Card, RFID Keyfob Tag, RFID Sticker Tag, RFID Silicone Wristband, RFID Microchip Tag with Syringe, RFID Scanner, RFID Animal Microchip, 125kHz & 13.56MHz RFID Module, 125kHz RFID Reader
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
Industrial RS232 to RS485 Isolated Serial Communication Module
Secured Trading Service

Industrial RS232 to RS485 Isolated Serial Communication Module

US $ 9.9-12.98 / Piece FOB
2 Pieces (MOQ)
More
Technics : Semiconductor IC
Send Inquiry
Audited Supplier
Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
Factory Direct Sale Long Range UHF RFID Module M718
Secured Trading Service

Factory Direct Sale Long Range UHF RFID Module M718

US $ 135 / Piece FOB
1 Piece (MOQ)
More
Main Products: RFID Card, RFID Tag, RFID Label, RFID Inlay, RFID Wristband, UHF Reader, RFID Tunnel Reader, RFID Handheld Reader, RFID Antennas, RFID Printer
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry
Cp341 6es7341-1CH02-0ae0 Serial Communication Module RS232 Interface

Cp341 6es7341-1CH02-0ae0 Serial Communication Module RS232 Interface

US $ 591.11 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Shenzhen Nuobashi Trading Co., Ltd

Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Moneypro Mopt900minit06 900MHz 1W Mini Dual-Serial Uav Data Link 30km AES-256 Encryption 30km+ Los Range Ttl/RS232/Sbus Support and P2 Fhss Telemetry Module

Moneypro Mopt900minit06 900MHz 1W Mini Dual-Serial Uav Data Link 30km AES-256 Encryption 30km+ Los Range Ttl/RS232/Sbus Support and P2 Fhss Telemetry Module

US $ 1,899 / Piece FOB
1 Piece (MOQ)
More
Main Products: Uav & Drone Platforms, Eo/IR Gimbal Camera Payloads, Inertial Navigation Systems (Imus)/Gyroscope, Infrared Thermal & Laser Sensing Module, Thermal Imaging Binocular & Observer, Night Vision Fusion Monocular & Optic Scope, Anti Jamming & Rtk Gnss Antenna, Anti Drone Radar Detector Systems, Turbojet & Turbofan & Turboshaft Engines, MIMO Nlos Manet Mesh Radio Datalink
Send Inquiry
Audited Supplier
China Moneypro Group Corporation Limited.

Guangdong, China Since 2025
Chat Now Send Inquiry
Shenzhen Factory Offer Cheap 125kHz RS232 / Ttl RFID Card Reader Module
Secured Trading Service

Shenzhen Factory Offer Cheap 125kHz RS232 / Ttl RFID Card Reader Module

US $ 7.9-32 / Piece FOB
1 Piece (MOQ)
More
Interface : USB, Serial Port
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
Related Searches
Access Control Card Reader Communication Module CCTV Camera Smart Card Reader Electrical Control System Data Acquisition
Proximity Card Reader Smart Card Reader Biometric Card Reader Barcode Card Reader Magnetic Stripe Card Reader RFID Card Reader
Original Mitsubishi Expansion Module Fx3u-232-Bd RS232 Serial Communication Extension Board

Original Mitsubishi Expansion Module Fx3u-232-Bd RS232 Serial Communication Extension Board

US $ 300-500 / Piece FOB
1 Piece (MOQ)
More
Main Products: Inverter, PLC, Servo Motor, HMI, DC Driver, Servo Driver, Module, Pneumatic
Send Inquiry
Audited Supplier
Sichuan Hesheng Xing Trading Co., Ltd.

Trading Company

Sichuan, China Since 2023
Chat Now Send Inquiry
Factory Direct Sale 860-960MHz Passive UHF RFID Reader Writer Module M718
Secured Trading Service

Factory Direct Sale 860-960MHz Passive UHF RFID Reader Writer Module M718

US $ 120-180 / Piece FOB
1 Piece (MOQ)
More
Reading Distance : >10m
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry
Mobile RS232/RS485 Serial Port Debugging Assistant Connect to The Module Via WiFi
Secured Trading Service

Mobile RS232/RS485 Serial Port Debugging Assistant Connect to The Module Via WiFi

US $ 13.11-13.99 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Analog I/O Modules, Signal Isolated Converter, Signal Conditioners, Current Splitter, PT100 Temperature Signal, Frequency Converters, DC to DC Converters, Digital I/O Modules, 4-20mA Signal Isolator,
Send Inquiry
Audited Supplier
Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
Factory Price 13.56MHz Hf RFID Module for POS Terminal

Factory Price 13.56MHz Hf RFID Module for POS Terminal

US $ 7.9-32 / Piece FOB
1 Piece (MOQ)
More
Application : Hospital, Library, Company, Bank, Store
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
Embedded Smart RFID Reader Module RS232 Serial Port 13.56MHz
Secured Trading Service

Embedded Smart RFID Reader Module RS232 Serial Port 13.56MHz

US $ 27-32 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Card Reader, RFID Card Reader, Magnetic Card Reader, IC Card Reader, Hybrid Card Reader, DIP Card Reader, Bar Type LCD Display, Double Sided Monitor, LED Gaming Monitor, Curved Gaming Monitor
Send Inquiry
Audited Supplier
Shenzhen rCloud Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Factory Price 125kHz Low Frequency RFID Reader Module Ttl 3.3V

Factory Price 125kHz Low Frequency RFID Reader Module Ttl 3.3V

US $ 5-26 / Piece FOB
1 Piece (MOQ)
More
Application : Hospital, Library, Company, Bank, Store
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
Shenzhen Factory Offer Cheap 13.56MHz NFC Mini RFID Card Reader Module
Secured Trading Service

Shenzhen Factory Offer Cheap 13.56MHz NFC Mini RFID Card Reader Module

US $ 5-32 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lf/Hf/UHF RFID Reader, RFID Card, RFID Keyfob Tag, RFID Sticker Tag, RFID Silicone Wristband, RFID Microchip Tag with Syringe, RFID Scanner, RFID Animal Microchip, 125kHz & 13.56MHz RFID Module, 125kHz RFID Reader
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
Industrial-grade CAN bus to 4G module for RS485/RS232 serial communication
Secured Trading Service

Industrial-grade CAN bus to 4G module for RS485/RS232 serial communication

US $ 60 / Piece FOB
1 Piece (MOQ)
More
Type : Wireless
Send Inquiry
Audited Supplier
Hangzhou Antin Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
Chat Now Send Inquiry
Related Videos
  • What is 4-channel 8-channel DB9 interface RS232 relay Board module 12VDC relay serial port remote control switch module for controllling car motors
    What is 4-channel 8-channel DB9 interface RS232 relay Board module 12VDC relay serial port remote control switch module for controllling car motors
    US $ 11-30 /Piece
    5 Pieces (MOQ)
    Send Inquiry
  • What is Lt7689 RS232 Interface 5.0" TFT Serial Module with PCBA for Industrial Equipment
    What is Lt7689 RS232 Interface 5.0" TFT Serial Module with PCBA for Industrial Equipment
    US $ 5.2-6 /pcs
    1,000 pcs (MOQ)
    Send Inquiry
  • What is Modbus RTU to TCP, RS232/485 to Ethernet Module Serial Server Module
    What is Modbus RTU to TCP, RS232/485 to Ethernet Module Serial Server Module
    US $ 30.99-32.99 /Piece
    2 Pieces (MOQ)
    Send Inquiry
  • What is 4-Channel 8-Channel Db9 Interface RS232 Relay Board Module 12VDC Relay Serial Port Remote Control Switch Module for Controllling Car Motors
    What is 4-Channel 8-Channel Db9 Interface RS232 Relay Board Module 12VDC Relay Serial Port Remote Control Switch Module for Controllling Car Motors
    US $ 10.9-29.9 /Piece
    5 Pieces (MOQ)
    Send Inquiry
Contactless USB RS232 Uart 125kHz 13.56MHz RFID Module for Car
Secured Trading Service

Contactless USB RS232 Uart 125kHz 13.56MHz RFID Module for Car

US $ 9-26 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lf/Hf/UHF RFID Reader, RFID Card, RFID Keyfob Tag, RFID Sticker Tag, RFID Silicone Wristband, RFID Microchip Tag with Syringe, RFID Scanner, RFID Animal Microchip, 125kHz & 13.56MHz RFID Module, 125kHz RFID Reader
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
125kHz 13.56MHz ID IC NFC CPU Ttl RFID Module Keyboard Emulation
Secured Trading Service

125kHz 13.56MHz ID IC NFC CPU Ttl RFID Module Keyboard Emulation

US $ 9-65 / Piece FOB
1 Piece (MOQ)
More
Interface : USB, Serial Port
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
RS232 RFID Reader 4 Ports Module Long Range Reader UHF Module M714
Secured Trading Service

RS232 RFID Reader 4 Ports Module Long Range Reader UHF Module M714

US $ 120 / Piece FOB
1 Piece (MOQ)
More
Main Products: RFID Card, RFID Tag, RFID Label, RFID Inlay, RFID Wristband, UHF Reader, RFID Tunnel Reader, RFID Handheld Reader, RFID Antennas, RFID Printer
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Rs232 Serial Module Factory FAQ
  • QAre Access Control Card Readers worth the investment?

    Our Rs232 Serial Module Factory offers exceptional quality within the Access Control Card Reader category.Yes, investing in Access Control Card Readers is worthwhile for modern security. They provide robust control over who accesses your premises. Explore our cheap, high-volume options and customization possibilities as distributors to protect your business effectively while staying budget-friendly.

  • QWhat features should I look for in an Access Control Card Reader?

    The Rs232 Serial Module Factory is an essential part of our Access Control Card Reader offerings.When selecting an Access Control Card Reader, consider features such as wireless capabilities, encryption, and compatibility with various card types for enhanced security. Our top picks focus on cost-effective solutions ideal for wholesale purchases, ensuring your facility secures access efficiently without overspending.

  • QHow do I choose the right Access Control Card Reader for my business?

    Upgrade your Access Control Card Reader with the elegant and durable Rs232 Serial Module Factory.To choose the right Access Control Card Reader for your business, evaluate your security needs, the volume of users, and the types of cards you'll utilize. Our expert guide highlights trends and comparisons between various models, helping you source OEM products at competitive prices that meet your unique requirements.

Anti-Interference Industrial 4G DTU D220 Rugged M2m Communication Module
Secured Trading Service

Anti-Interference Industrial 4G DTU D220 Rugged M2m Communication Module

US $ 43.8-62.5 / Piece FOB
1 Piece (MOQ)
More
Application : Industrial, Enterprise
Send Inquiry
Audited Supplier
ZYDlink (XiaMen) Information Technology Co., Ltd.

Fujian, China Since 2026
Chat Now Send Inquiry
Insrtion Card Reader IC/RFID Smart Card Reader Module
Secured Trading Service

Insrtion Card Reader IC/RFID Smart Card Reader Module

US $ 58-61 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Card Reader, RFID Card Reader, Magnetic Card Reader, IC Card Reader, Hybrid Card Reader, DIP Card Reader, Bar Type LCD Display, Double Sided Monitor, LED Gaming Monitor, Curved Gaming Monitor
Send Inquiry
Audited Supplier
Shenzhen rCloud Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Hf 13.56MHz RFID Reader Module with USB Interface Support Read Write

Hf 13.56MHz RFID Reader Module with USB Interface Support Read Write

US $ 7.9-32 / Piece FOB
1 Piece (MOQ)
More
Interface : USB, Serial Port
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
Vehicle Management Long Range Wiegand 26 Interface UHF RFID Module
Secured Trading Service

Vehicle Management Long Range Wiegand 26 Interface UHF RFID Module

US $ 135 / Piece FOB
1 Piece (MOQ)
More
Main Products: RFID Card, RFID Tag, RFID Label, RFID Inlay, RFID Wristband, UHF Reader, RFID Tunnel Reader, RFID Handheld Reader, RFID Antennas, RFID Printer
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry
Industrial-Grade 4G Wireless Sensor Data Transmission Module Zyd5017-a
Secured Trading Service

Industrial-Grade 4G Wireless Sensor Data Transmission Module Zyd5017-a

US $ 43.8-62.5 / Piece FOB
1 Piece (MOQ)
More
Application : Industrial, Enterprise
Send Inquiry
Audited Supplier
ZYDlink (XiaMen) Information Technology Co., Ltd.

Fujian, China Since 2026
Chat Now Send Inquiry
New Products Best Sell OEM 13.56MHz Active RFID Reader Module
Secured Trading Service

New Products Best Sell OEM 13.56MHz Active RFID Reader Module

US $ 7.9-32 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lf/Hf/UHF RFID Reader, RFID Card, RFID Keyfob Tag, RFID Sticker Tag, RFID Silicone Wristband, RFID Microchip Tag with Syringe, RFID Scanner, RFID Animal Microchip, 125kHz & 13.56MHz RFID Module, 125kHz RFID Reader
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
China Manufacturer High Quality 4-Port UHF RFID Reader Impinj E710 Long Range Module
Secured Trading Service

China Manufacturer High Quality 4-Port UHF RFID Reader Impinj E710 Long Range Module

US $ 50-100 / Piece FOB
1 Piece (MOQ)
More
Interface : Serial Port
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry
Barcode Scanner Module 1d 2D Qr CMOS camera Module Serial Command USB&Ttl Barcode Scanner Engine

Barcode Scanner Module 1d 2D Qr CMOS camera Module Serial Command USB&Ttl Barcode Scanner Engine

US $ 29.99-39.99 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Barcode Scanner, 1d Barcode Scanner, 2D Barcode Scanner, Wireless Barcode Scanner, Portable Barcode Scanner, Barcode Scanner Engine, Barcode Scanner Module
Send Inquiry
Audited Supplier
Shenzhen Dyscan Technology Co., Ltd

Guangdong, China Since 2023
Chat Now Send Inquiry
Zyd5017-a 4G Module for Digital Production Equipment Networking
Secured Trading Service

Zyd5017-a 4G Module for Digital Production Equipment Networking

US $ 43.8-62.5 / Piece FOB
1 Piece (MOQ)
More
Application : Industrial, Enterprise
Send Inquiry
Audited Supplier
ZYDlink (XiaMen) Information Technology Co., Ltd.

Fujian, China Since 2026
Chat Now Send Inquiry
125kHz 13.56MHz Dual Frequency RFID Reader Writer NFC Reader Module
Secured Trading Service

125kHz 13.56MHz Dual Frequency RFID Reader Writer NFC Reader Module

US $ 7.9-32 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lf/Hf/UHF RFID Reader, RFID Card, RFID Keyfob Tag, RFID Sticker Tag, RFID Silicone Wristband, RFID Microchip Tag with Syringe, RFID Scanner, RFID Animal Microchip, 125kHz & 13.56MHz RFID Module, 125kHz RFID Reader
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
UHF Senior Module 4 Port New RFID Modules with Long Range Reading Distance
Secured Trading Service

UHF Senior Module 4 Port New RFID Modules with Long Range Reading Distance

US $ 120 / Piece FOB
1 Piece (MOQ)
More
Application : Parking, Hospital, Company, Bank, Store
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry
RFID 125kHz&13.56MHz Dual Frequency Reader Module Support ISO14443A
Secured Trading Service

RFID 125kHz&13.56MHz Dual Frequency Reader Module Support ISO14443A

US $ 4.5-26 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lf/Hf/UHF RFID Reader, RFID Card, RFID Keyfob Tag, RFID Sticker Tag, RFID Silicone Wristband, RFID Microchip Tag with Syringe, RFID Scanner, RFID Animal Microchip, 125kHz & 13.56MHz RFID Module, 125kHz RFID Reader
Send Inquiry
Audited Supplier
Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
Chat Now Send Inquiry
UHF RFID Senior Module Designed by High Performance Chip for Warehouse Management
Secured Trading Service

UHF RFID Senior Module Designed by High Performance Chip for Warehouse Management

US $ 120 / Piece FOB
1 Piece (MOQ)
More
Application : Parking, Hospital, Company, Bank, Store
Send Inquiry
Audited Supplier
FOCUS RFID CO., LTD.

Shandong, China Since 2017
Chat Now Send Inquiry
View More

Browse by Categories

Home > Security & Protection > Access Control System > Access Control Card Reader > Proximity Card Reader
1/416
TOP

Search Filter

Categories

More Less
  • Access Control Card Reader
  • Communication Module
  • CCTV Camera
  • Smart Card Reader
  • Electrical Control System
  • Data Acquisition
  • Inertial Sensor
  • WiFi Products
  • Monitoring System & Software
  • General-purpose Integrated Circuit

Application

More Less
  • Company

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Guangdong
  • Fujian
  • Zhejiang
  • Hunan
  • Shandong
  • Jiangsu
  • Shanghai
  • Liaoning
  • Sichuan
  • Beijing
  • Hubei
  • Anhui
  • Henan
  • Tianjin
  • Jiangxi
  • Hebei
  • Chongqing
  • Shaanxi
  • Taiwan, China
Reset Done