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3m 50 100 Pair 2810 Quick Connect System Module Gel-Filled Type Quick Connection Module

3m 50 100 Pair 2810 Quick Connect System Module Gel-Filled Type Quick Connection Module

US $ 5-25 / Piece FOB
1,000 Pieces (MOQ)
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Ningbo Meilan Communication Equipment Co., Ltd.

Zhejiang, China Since 2020
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Spherical Connection Weighing Module for Easy Installation and Use

Spherical Connection Weighing Module for Easy Installation and Use

US $ 150-280 / Piece FOB
1 Piece (MOQ)
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Qingdao Weitewosi Automation Equipment Co., Ltd

Shandong, China Since 2025
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New-Original Sie-Mens-6gk7242-5dx30-0xe0 Communications-Module Cm-1242-5 for-Connection of-Simatic S7-1200 to-Profibus as Dp-Slave Module-PLC

New-Original Sie-Mens-6gk7242-5dx30-0xe0 Communications-Module Cm-1242-5 for-Connection of-Simatic S7-1200 to-Profibus as Dp-Slave Module-PLC

US $ 396-452 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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10 Pair Earth Module Red Krone Module Earth Lsa Disconnection Connection Module Back Mount Earth Module

10 Pair Earth Module Red Krone Module Earth Lsa Disconnection Connection Module Back Mount Earth Module

US $ 0.2-2 / Piece FOB
10,000 Pieces (MOQ)
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Ningbo Meilan Communication Equipment Co., Ltd.

Zhejiang, China Since 2020
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NPN Type Expansion I/O Module for Machine Control with Quick Connection

NPN Type Expansion I/O Module for Machine Control with Quick Connection

US $ 49-199 / Piece FOB
1 Piece (MOQ)
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Nanjing Decowell Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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Hollysys Aw202 4~20mA Two-Wire USB Connection Supported Temperature Transmitter Module

Hollysys Aw202 4~20mA Two-Wire USB Connection Supported Temperature Transmitter Module

US $ 54-89 / Piece FOB
1 Piece (MOQ)
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Hangzhou HollySys Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Pxx-485.3 Expansion Module, Three RS-485 Connections for Flns

Pxx-485.3 Expansion Module, Three RS-485 Connections for Flns

US $ 222 / Piece FOB
1 Piece (MOQ)
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Wuhan Unique Mechanical & Electrical Equipment Co., Ltd.

Trading Company

Hubei, China Since 2020
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6gk7542-1ax00-0xe0 S7-1500 Communications Module Cm 1542-1 for Connection

6gk7542-1ax00-0xe0 S7-1500 Communications Module Cm 1542-1 for Connection

US $ 465-474 / Piece FOB
1 Piece (MOQ)
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Sichuan Hongjun Science and Technology Co., Ltd.

Sichuan, China Since 2016
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Double USB Port Charging Module 65W Screw Terminal Connection

Double USB Port Charging Module 65W Screw Terminal Connection

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Hot Selling Pn Basic Connection Module 6FC5303-0AA01-1AA0 for Siemenss

Hot Selling Pn Basic Connection Module 6FC5303-0AA01-1AA0 for Siemenss

US $ 49.9 / Piece FOB
1 Piece (MOQ)
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Sichuan Hongjun Science and Technology Co., Ltd.

Sichuan, China Since 2016
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45X45mm USB a+C Charging Module 45W

45X45mm USB a+C Charging Module 45W

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Floor Box USB Charger Module 45X45mm 45W High Power Output for Laptops

Floor Box USB Charger Module 45X45mm 45W High Power Output for Laptops

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Smart 140W Pd USB C Charging Socket Module for Commercial Office Projects

Smart 140W Pd USB C Charging Socket Module for Commercial Office Projects

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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China Manufacturer 45mm Euro Module USB Charger CE TUV Certified

China Manufacturer 45mm Euro Module USB Charger CE TUV Certified

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Library Desk Integrated Power Module USB C+C 45mm Silent Operation

Library Desk Integrated Power Module USB C+C 45mm Silent Operation

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Contactless USB RS232 Uart 125kHz 13.56MHz RFID Module for Car

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

US $ 9-26 / Piece FOB
1 Piece (MOQ)
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Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
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Factory Direct Sale Fiber Optic Equipment Hot-Pluggable 10 Base-Trj-45 Copper SFP+ Optical Transceiver Module SFP Optical Transceiver

Factory Direct Sale Fiber Optic Equipment Hot-Pluggable 10 Base-Trj-45 Copper SFP+ Optical Transceiver Module SFP Optical Transceiver

US $ 0.99-2.4 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Gewei Technology Co., Ltd.

Guangdong, China Since 2023
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125kHz 13.56MHz ID IC NFC CPU Ttl RFID Module Keyboard Emulation

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

US $ 9-65 / Piece FOB
1 Piece (MOQ)
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Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
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Addressed Module for Micro Output Module/ Loop Sounder

Addressed Module for Micro Output Module/ Loop Sounder

US $ 3-5 / Piece FOB
100 Pieces (MOQ)
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Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2010
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High Quality Portable Steel Eco 1 to 2 Bedroom Module

High Quality Portable Steel Eco 1 to 2 Bedroom Module

US $ 1,680-1,955 / Piece FOB
1 Piece (MOQ)
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Guangzhou Zhonglian Steel Structure Co., Ltd.

Guangdong, China Since 2025
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Advanced Dual Port RS232 and RS485 Communication Module for Industrial Automation

Advanced Dual Port RS232 and RS485 Communication Module for Industrial Automation

US $ 89-99 / Piece FOB
1 Piece (MOQ)
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Ningde Dragon Technology Co., Ltd.

Trading Company

Fujian, China Since 2025
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Brand New Om-Ron Nx-ID5442 Digital Input Module 24VDC Good Price

Brand New Om-Ron Nx-ID5442 Digital Input Module 24VDC Good Price

US $ 125.54-146.78 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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Type-C 100W Pd Wall Socket Module Insert for Hotel Guest Rooms

Type-C 100W Pd Wall Socket Module Insert for Hotel Guest Rooms

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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About Connection Module FAQ

  • QWhat type of communication protocols do communication modules support?

    Our Connection Module offers exceptional quality within the Communication Module category.Communication modules typically support protocols such as Wi-Fi, Bluetooth, RFID, and LoRa. Consult with a professional supplier for guidance on selecting the best communication module based on your specific project needs and budget constraints.

  • QHow do I ensure the reliability of communication module manufacturers in China?

    Enhance your Communication Module setup with our premium Connection Module.To ensure the reliability of manufacturers in China, conduct thorough research, verify certifications, request client references, and inspect production facilities if possible. Choosing a reputable supplier recognized for high-quality communication modules is crucial for a successful partnership.

  • QWhat benefits can I gain from purchasing communication modules wholesale for production?

    The Connection Module is a premium choice in the Communication Module category.Purchasing communication modules wholesale can provide cost savings, bulk purchasing options, and consistency in product quality and performance. Buyers can also enjoy dedicated customer support, tailored solutions, and partnership benefits from trusted suppliers.

Addressed Module for Call Point or Input (RED)

Addressed Module for Call Point or Input (RED)

US $ 3-5 / Piece FOB
100 Pieces (MOQ)
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Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2010
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Brand-New Sie-Mens-6es7321-1bh02-0AA0 Simatic-S7-300 Digital-Input Module-Sm321 Isolated-16point 20pole-24VDC

Brand-New Sie-Mens-6es7321-1bh02-0AA0 Simatic-S7-300 Digital-Input Module-Sm321 Isolated-16point 20pole-24VDC

US $ 224-248 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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65W Europe Standard Socket with USB Charging Module

65W Europe Standard Socket with USB Charging Module

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Addressed Module for Smoke or Heat Detector (WHITE)

Addressed Module for Smoke or Heat Detector (WHITE)

US $ 3-5 / Piece FOB
100 Pieces (MOQ)
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Audited Supplier
Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2010
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Brand-New Sie-Mens-6gk7343-1ex30-0xe0 PLC-Communication Module-Communi Kation Sprocessor Cp343-1 for-Connecting Simatic-S7-300

Brand-New Sie-Mens-6gk7343-1ex30-0xe0 PLC-Communication Module-Communi Kation Sprocessor Cp343-1 for-Connecting Simatic-S7-300

US $ 795-815 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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Standard 45X45mm USB Power Module Dual Port a+C

Standard 45X45mm USB Power Module Dual Port a+C

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Addressable Manual Call Point Interface/ Micro Input Module

Addressable Manual Call Point Interface/ Micro Input Module

US $ 3-5 / Piece FOB
100 Pieces (MOQ)
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Ningbo Sentek Electronics Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2010
Chat Now Send Inquiry
Brand-New Sie-Mens-Simatic S7-1500-PLC Digital-Input Module-6es7521-1bl00-0ab0 in-Stock Negotiate-Price

Brand-New Sie-Mens-Simatic S7-1500-PLC Digital-Input Module-6es7521-1bl00-0ab0 in-Stock Negotiate-Price

US $ 200-250 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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65W Square USB Outlet Module Dual Port for Flip-up Desk Box

65W Square USB Outlet Module Dual Port for Flip-up Desk Box

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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Hot-Sale Sie-Mens-6es7193-4CB20-0AA0 Simatic-Dp Terminal-Module TM-E15s24-01-Screw Terminals Good-Price

Hot-Sale Sie-Mens-6es7193-4CB20-0AA0 Simatic-Dp Terminal-Module TM-E15s24-01-Screw Terminals Good-Price

US $ 58-62 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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Module USB C 65W Charger Insert for Mosaic System Plates

Module USB C 65W Charger Insert for Mosaic System Plates

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
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Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
Chat Now Send Inquiry
Original New Allen Brad-Ley 1lx34-Mbs485 PLC Module in Stock Good Price

Original New Allen Brad-Ley 1lx34-Mbs485 PLC Module in Stock Good Price

US $ 180-420 / Piece FOB
1 Piece (MOQ)
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Energy Technology Co., Ltd. (Shenzhen)

Guangdong, China Since 2017
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OEM 140W GaN USB Power Module Compact Size for Furniture

OEM 140W GaN USB Power Module Compact Size for Furniture

US $ 8-15 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier
Etman Electric(Changzhou) Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2017
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