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Wireless Relay Module

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AC 220V Modbus RTU 4 Channel Relay Module Switch RS485/Ttl Uart Interface Four-Way Input Output DC3.3-24V Optocoupler Signal

AC 220V Modbus RTU 4 Channel Relay Module Switch RS485/Ttl Uart Interface Four-Way Input Output DC3.3-24V Optocoupler Signal

US $ 7-7.9 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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Practical GSM Module Relay - Similar Cp1w - 40edt for Remote Control and Switching Operations Module

Practical GSM Module Relay - Similar Cp1w - 40edt for Remote Control and Switching Operations Module

US $ 49-99 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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Relay Module PLC Industrial Control Board Fx1n-10mt Programmable Relay Delay Module with Shell

Relay Module PLC Industrial Control Board Fx1n-10mt Programmable Relay Delay Module with Shell

US $ 13.5-16 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 12A/1 Normally Open, NPN/PNP Universal Module

P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 12A/1 Normally Open, NPN/PNP Universal Module

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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Ethernet Relay Network WiFi Mqtt TCP UDP Web HTTP Schedule Task Can RS485 Coap Domoticz Timer Module

Ethernet Relay Network WiFi Mqtt TCP UDP Web HTTP Schedule Task Can RS485 Coap Domoticz Timer Module

US $ 13-20 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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12V 2-Channel Wireless Receiver Module with Fixed Code (ES-K201)

12V 2-Channel Wireless Receiver Module with Fixed Code (ES-K201)

US $ 4-7 / Piece FOB
1 Piece (MOQ)
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Ease Security Co., Ltd.

Guangdong, China Since 2014
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High - Performance GSM Module Relay - Like Cp1w - 20EDR1 for Reliable Remote Switching Module

High - Performance GSM Module Relay - Like Cp1w - 20EDR1 for Reliable Remote Switching Module

US $ 49-99 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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O_Mron Cp1w-16er 16-Point Relay Output Digital I/O Module

O_Mron Cp1w-16er 16-Point Relay Output Digital I/O Module

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box Uart RS485 Relay Module Modbus RTU Control Switch Board

DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box Uart RS485 Relay Module Modbus RTU Control Switch Board

US $ 13-13.98 / pieces FOB
10 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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S-Chneider Brand New Original M200 PLC Programming Relay Output Module TM200CE24r

S-Chneider Brand New Original M200 PLC Programming Relay Output Module TM200CE24r

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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DC 12V/24V 20CH Multifunction RS485 Relay Board 20do 2di 2ai PLC Io Expanding Module Modbus RTU 4-20mA 0-10V Relay Module

DC 12V/24V 20CH Multifunction RS485 Relay Board 20do 2di 2ai PLC Io Expanding Module Modbus RTU 4-20mA 0-10V Relay Module

US $ 23-25 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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2 Channel Remote Receiver Module with 433 315MHz Frequency

2 Channel Remote Receiver Module with 433 315MHz Frequency

US $ 4-7 / Piece FOB
1 Piece (MOQ)
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Ease Security Co., Ltd.

Guangdong, China Since 2014
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P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 16A/1 Normally Open, NPN/PNP Universal Module

P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 16A/1 Normally Open, NPN/PNP Universal Module

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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DC 24V 1-8CH Digital Switch RS485 PLC Io Expanding Board Standard Modbus RTU Relay Module

DC 24V 1-8CH Digital Switch RS485 PLC Io Expanding Board Standard Modbus RTU Relay Module

US $ 5.5-19 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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RHF3MR01 Coverage Enhancement Module for Industrial IoT Applications

RHF3MR01 Coverage Enhancement Module for Industrial IoT Applications

US $ 80-90 / Piece FOB
1 Piece (MOQ)
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RisingHF Network(Shenzhen)Co., Ltd,

Trading Company

Guangdong, China Since 2025
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Optocoupler Isolation Relay Module 12 /24V Two-Way Relay Module

Optocoupler Isolation Relay Module 12 /24V Two-Way Relay Module

US $ 5-6 / Piece FOB
50 Pieces (MOQ)
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Anhui Biaowei Machinery Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
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P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 4A/1 Normally Open, NPN/PNP Universal Module

P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 4A/1 Normally Open, NPN/PNP Universal Module

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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Waveshare Industrial Modbus RTU 8-CH Relay Module (D) with Digital Input and RS485, Modbus RTU Protocol, 7~36V Power Supply

Waveshare Industrial Modbus RTU 8-CH Relay Module (D) with Digital Input and RS485, Modbus RTU Protocol, 7~36V Power Supply

US $ 38-38.99 / pieces FOB
10 pieces (MOQ)
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Audited Supplier
Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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Bulk O_Mron Cp1w-32er 32-Point Relay Module for Cp1 Series PLC - in Stock

Bulk O_Mron Cp1w-32er 32-Point Relay Module for Cp1 Series PLC - in Stock

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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T-Relay-S3 Esp32 6-Channel WiFi Bluetooth Remote Switch Control Relay Module Supports Expansion Multiple Relays Racks

T-Relay-S3 Esp32 6-Channel WiFi Bluetooth Remote Switch Control Relay Module Supports Expansion Multiple Relays Racks

US $ 20.24-30.83 / pieces FOB
5 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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O_Mron Cp1w-8er 8-Point Relay Output Digital I/O Module

O_Mron Cp1w-8er 8-Point Relay Output Digital I/O Module

US $ 50-200 / Piece FOB
1 Piece (MOQ)
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Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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3-5V 8 Channel IR Infrared Receiver Board Delay Relay Driving Module + 9 Keys Remote Control Transmitter Self-Locking Controller

3-5V 8 Channel IR Infrared Receiver Board Delay Relay Driving Module + 9 Keys Remote Control Transmitter Self-Locking Controller

US $ 1.98-3.99 / pieces FOB
10 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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RHF0M0E5 Energy-Efficient IoT Module with Integrated Stm32wle5jc for Sensor Applications

RHF0M0E5 Energy-Efficient IoT Module with Integrated Stm32wle5jc for Sensor Applications

US $ 4.8-6.2 / Piece FOB
3 Pieces (MOQ)
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Audited Supplier
RisingHF Network(Shenzhen)Co., Ltd,

Trading Company

Guangdong, China Since 2025
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About Wireless Relay Module FAQ
  • QWhat are the common technologies used in access control card readers?

    Enhance your Access Control Card Reader setup with our premium Wireless Relay Module.Access control card readers commonly utilize RFID technology and biometric scanning for security purposes. Each technology has its unique advantages depending on the level of security and convenience required. Perform thorough research or consult with a trusted supplier to determine the best option for your needs.

  • QHow can I identify reliable suppliers for access control card readers in China?

    The Wireless Relay Module is a key item within our extensive Access Control Card Reader selection.Identifying reliable suppliers in China involves researching online platforms, attending industry trade fairs, and verifying supplier certificates. Requesting product samples and checking customer reviews are crucial steps in ensuring the quality and reliability of the suppliers.

  • QWhat advantages does buying access control card readers in wholesale offer?

    The Wireless Relay Module is an essential part of our Access Control Card Reader offerings.Purchasing access control card readers wholesale provides cost-effective bulk pricing, ensures consistent product quality, and offers customization options. Wholesale purchases often come with discounts, making them economically beneficial for security and protection businesses. Working with reliable wholesale suppliers guarantees timely delivery.

P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 6A/1 Normally Open, NPN/PNP Universal Module

P-Anasonic Apan Relay, PLC Terminal Block Amplifier Board, 6A/1 Normally Open, NPN/PNP Universal Module

US $ 50-200 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
Chat Now Send Inquiry
Functional GSM Module Relay - Similar Nx - ID4342 for Remote Control and Switching Module

Functional GSM Module Relay - Similar Nx - ID4342 for Remote Control and Switching Module

US $ 49-99 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
Chat Now Send Inquiry
Practical GSM Module Relay - Similar Cp1w - 32et for Remote Control and Switching Operations Module

Practical GSM Module Relay - Similar Cp1w - 32et for Remote Control and Switching Operations Module

US $ 49-99 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
Chat Now Send Inquiry
Brand New S_I_E_Mens PLC Controller S7 1200 Simatic S7-1200 Compact CPU 1212c AC/DC/Relay Module 6es7212-1be40-0xb0

Brand New S_I_E_Mens PLC Controller S7 1200 Simatic S7-1200 Compact CPU 1212c AC/DC/Relay Module 6es7212-1be40-0xb0

US $ 100-300 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
Chat Now Send Inquiry
SLS 1 Gang 2 Way Control Smart LED Relay 150W Tuya WiFi Dimmer Switch Module

SLS 1 Gang 2 Way Control Smart LED Relay 150W Tuya WiFi Dimmer Switch Module

US $ 5.5-6 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
SaiLingsi (wenzhou) Electronics Co., LTD

Trading Company

Zhejiang, China Since 2024
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Wireless Relay HD Image Video Drones Transmission Module Adaptive Frequency Hopping for Fpv Quadcopter Drones

Wireless Relay HD Image Video Drones Transmission Module Adaptive Frequency Hopping for Fpv Quadcopter Drones

US $ 20,000-22,000 / Set FOB
1 Set (MOQ)
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Audited Supplier
Shenzhen Xingkai Technology Co., Ltd

Guangdong, China Since 2023
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Fibocom LTE Wireless Module, compatible with TDD-LTE/FDD-LTE/WCDMA/GSM networks, frequency band US915, US version module

Fibocom LTE Wireless Module, compatible with TDD-LTE/FDD-LTE/WCDMA/GSM networks, frequency band US915, US version module

US $ 10-12 / Piece FOB
3 Pieces (MOQ)
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Audited Supplier
RisingHF Network(Shenzhen)Co., Ltd,

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
DC12V-24V 23ioa08 8CH NPN/PNP Input& 8CH NPN 300mA Solid State Relay Output Modbus RTU RS485 Io Module

DC12V-24V 23ioa08 8CH NPN/PNP Input& 8CH NPN 300mA Solid State Relay Output Modbus RTU RS485 Io Module

US $ 6.5-27.5 / pieces FOB
20 pieces (MOQ)
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Audited Supplier
Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
S-Chneider Sr2a201fu/Sr2b201bd/Sr3b261bd Intelligent Relay Module

S-Chneider Sr2a201fu/Sr2b201bd/Sr3b261bd Intelligent Relay Module

US $ 100-500 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
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New Original 6es7214-1bg40-0xb0 Compact CPU 1214c Relays Simatic S7-1200 S7 1200 PLC Programmable Controller Module for Siemens

New Original 6es7214-1bg40-0xb0 Compact CPU 1214c Relays Simatic S7-1200 S7 1200 PLC Programmable Controller Module for Siemens

US $ 100-300 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Chengdu Canmeng Trading Co., Ltd

Sichuan, China Since 2025
Chat Now Send Inquiry
4-20mA 500m 1km 3km 5km Wireless Transmitter and Receiver Module

4-20mA 500m 1km 3km 5km Wireless Transmitter and Receiver Module

US $ 202-450 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Atech Sensor Co., Ltd

Shaanxi, China Since 2022
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Additional Module for Automatic Door Opener for Wireless Control

Additional Module for Automatic Door Opener for Wireless Control

US $ 35-45 / Piece FOB
50 Pieces (MOQ)
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Audited Supplier
Shenzhen Jutai Comm Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Seekec 2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control

Seekec 2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control

US $ 5-6 / Piece FOB
50 Pieces (MOQ)
Contact Supplier
Audited Supplier
Anhui Biaowei Machinery Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2024
Chat Now Send Inquiry
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