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RC522 Wireless Module RFID Antenna for Arduino, IC Key Reader and Writer for Arduino

RC522 Wireless Module RFID Antenna for Arduino, IC Key Reader and Writer for Arduino

US $ 0.96-1.2 / Piece FOB
10 Pieces (MOQ)
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Shenzhen Wonderwing Electronics., Ltd.

Trading Company

Guangdong, China Since 2011
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Precision-Engineered Bim-Based Prefab Steel Modules for Global Buyers

Precision-Engineered Bim-Based Prefab Steel Modules for Global Buyers

US $ 40-50 / Square Meter FOB
1,000 Square Meters (MOQ)
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Qingdao Xinguangzheng Sino Building Co., Ltd

Shandong, China Since 2007
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Saftec 48V 5 Years Warranty Solar Battery 2.56kwh 48V 50ah Lithium Batteries 48 Volt 50ah LiFePO4 Battery Module

Saftec 48V 5 Years Warranty Solar Battery 2.56kwh 48V 50ah Lithium Batteries 48 Volt 50ah LiFePO4 Battery Module

US $ 50-1,000 / Piece FOB
10 Pieces (MOQ)
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Zhejiang Saftec Energy Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2023
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5W DC9-36V 36 Channel PT100 Temperature Acquisition Module

5W DC9-36V 36 Channel PT100 Temperature Acquisition Module

US $ 417 / Piece FOB
1 Piece (MOQ)
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Hunan Shiyou Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2023
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FTTH 12 Core Outdoor Customized MPO Casstte Module

FTTH 12 Core Outdoor Customized MPO Casstte Module

US $ 27-28 / Piece FOB
1 Piece (MOQ)
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Ningbo Fibconet Communication Technology Co., Ltd.

Zhejiang, China Since 2020
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Emerson Delta V PLC Module VE4050S2K1C0 KJ4001X1-BE1 12P0818X072 VE4050E1C0 VE4050E1C2 VE4050E2C0 VE4050E2C2 VE4040E0C0 I/O Carrier with Shield Bar

Emerson Delta V PLC Module VE4050S2K1C0 KJ4001X1-BE1 12P0818X072 VE4050E1C0 VE4050E1C2 VE4050E2C0 VE4050E2C2 VE4040E0C0 I/O Carrier with Shield Bar

US $ 123 / Piece FOB
1 Piece (MOQ)
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Amikon Limited

Fujian, China Since 2024
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EtherCAT Adapter IO Communication Module for Real-Time Control

EtherCAT Adapter IO Communication Module for Real-Time Control

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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622Mbps 80km Bidi SFP Fiber Optical Module Transceiver

622Mbps 80km Bidi SFP Fiber Optical Module Transceiver

1 Piece (MOQ)
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Shenzhen Pioneer Goods Communication Co., Limited

Trading Company

Guangdong, China Since 2025
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12V 120W Micropack Rectifiers Eltek Rectifier Module Low Voltage 241120.300

12V 120W Micropack Rectifiers Eltek Rectifier Module Low Voltage 241120.300

US $ 0.1-0.2 / 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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Bioreactor System Tubular UF Membrane Module Pentair X-Flow Aquaflex 55

Bioreactor System Tubular UF Membrane Module Pentair X-Flow Aquaflex 55

US $ 100-1,000 / Piece FOB
100 Pieces (MOQ)
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Quanzhou Source Membrane Science & Technology Development Co., Ltd

Manufacturer/Factory & Trading Company

Fujian, China Since 2024
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Jdy-24m Bluetooth 5.0 Mesh Zigbee Module BLE Bluetooth BLE Master Slave Through The Bluetooth Mesh

Jdy-24m Bluetooth 5.0 Mesh Zigbee Module BLE Bluetooth BLE Master Slave Through The Bluetooth Mesh

US $ 1.22-1.28 / Piece FOB
10 Pieces (MOQ)
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Sunhokey Electronics Co., Ltd.

Trading Company

Guangdong, China Since 2019
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CCTV OEM ODM Supplier 2MP Ai IP Module Security Camera CCTV PCB Board Module

CCTV OEM ODM Supplier 2MP Ai IP Module Security Camera CCTV PCB Board Module

100 Pieces (MOQ)
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SHENZHEN SECUMATE TECHNOLOGY CO., LIMITED

Hongkong S.A.R., HONG KONG, CHINA Since 2018
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Best Selling 12mm LED Module Christmas LED String Lights

Best Selling 12mm LED Module Christmas LED String Lights

US $ 0.22-0.24 / Piece FOB
1 Piece (MOQ)
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ShenZhen ibestwork Technology Co., Ltd.

Guangdong, China Since 2017
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6gk7343-1cx10-0xe0 Cp343-1 Comunication PLC Module for Siemens

6gk7343-1cx10-0xe0 Cp343-1 Comunication PLC Module for Siemens

US $ 999-1,999 / Piece FOB
1 Piece (MOQ)
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Sichuan Focus Science and Technology Co., Ltd.

Trading Company

Sichuan, China Since 2020
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Decoamigo Dual USB and Power Socket Module for Modern Home Office

Decoamigo Dual USB and Power Socket Module for Modern Home Office

US $ 1.07-15 / Piece FOB
100 Pieces (MOQ)
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Wenzhou Decoamigo Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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PCB Supplier 4s 14.8V BMS Protection Circuit Module for LiFePO4 Battery with Ntc

PCB Supplier 4s 14.8V BMS Protection Circuit Module for LiFePO4 Battery with Ntc

1 Piece (MOQ)
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Shenzhen Li-ion Battery Bodyguard Technology Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2019
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Aobo Solar Energy Storage System Lithium Iron Phosphate Battery Module 48V 50ah LiFePO4 Battery Photovoltaic Module Analysis Techniques

Aobo Solar Energy Storage System Lithium Iron Phosphate Battery Module 48V 50ah LiFePO4 Battery Photovoltaic Module Analysis Techniques

US $ 618-650 / Piece FOB
4 Pieces (MOQ)
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Eway Energy Technology (Wuhan) Co., Ltd.

Manufacturer/Factory & Trading Company

Hubei, China Since 2021
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Heavy-Duty Stainless Steel Load Cell Weighing Module 10ton 20ton

Heavy-Duty Stainless Steel Load Cell Weighing Module 10ton 20ton

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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10m Long Range UHF RFID Reader Module Impinj R2000 RFID Reader Module

10m Long Range UHF RFID Reader Module Impinj R2000 RFID Reader Module

US $ 158-217 / Piece FOB
2 Pieces (MOQ)
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Jinjiang Conghe Technology Co., Ltd

Fujian, China Since 2023
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High-Performance 16-Channel Digital Output Module with 95mA Power Gk-100-16don

High-Performance 16-Channel Digital Output Module with 95mA Power Gk-100-16don

US $ 35-43 / Piece FOB
1 Piece (MOQ)
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Henan 4.0 Automation Equipment Co., Ltd.

Henan, China Since 2023
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Jujea Data Logger 18 32 Channels 4-20 Ma Chart Curve Display Module RS485

Jujea Data Logger 18 32 Channels 4-20 Ma Chart Curve Display Module RS485

US $ 250-400 / Piece FOB
1 Piece (MOQ)
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Wuhu Jujie International Trade Co., LTD

Anhui, China Since 2018
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28 in One 5050 SMD IP66 Waterproof Jyln04 40W 50W 60W 155-175 Lm/W LED Module

28 in One 5050 SMD IP66 Waterproof Jyln04 40W 50W 60W 155-175 Lm/W LED Module

US $ 9-13 / Piece FOB
50 Pieces (MOQ)
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Ningbo Stellar Technology Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2021
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1479 Longi Jinko Perc Monocrystalline Panneau Solaire 470W 480W 500W 505W Solar Panel Module

1479 Longi Jinko Perc Monocrystalline Panneau Solaire 470W 480W 500W 505W Solar Panel Module

US $ 0.26-0.28 / watt FOB
15,000 watt (MOQ)
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Jingjiang Alicosolar New Energy Co., Ltd.

Trading Company

Jiangsu, China Since 2021
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About Connection Module FAQ

  • QWhat type of communication protocols do communication modules support?

    The Connection Module is an essential part of our Communication Module offerings.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?

    The Connection Module is a top choice in our Communication Module collection.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?

    Upgrade your Communication Module with the elegant and durable Connection Module.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.

2km/3km/5km/10km/15km/20km Fpv Drone Optical Fiber Kit Long Flight Distance Image Transmission Data Module

2km/3km/5km/10km/15km/20km Fpv Drone Optical Fiber Kit Long Flight Distance Image Transmission Data Module

US $ 121 / Piece FOB
10 Pieces (MOQ)
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Shenzhen Liangyou Communication Technology Co., Ltd.

Trading Company

Guangdong, China Since 2025
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High-Power 60W 80W 100W 200W Folding Solar Blanket Mono Portable PV Module

High-Power 60W 80W 100W 200W Folding Solar Blanket Mono Portable PV Module

US $ 91-100 / Piece FOB
10 Pieces (MOQ)
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Flagsun (Suzhou) New Energy Co., Ltd.

Jiangsu, China Since 2015
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Qsfp28 Lr4 20km Optical Transceiver/Optical Receivers/Oprm Optical Receiver Module

Qsfp28 Lr4 20km Optical Transceiver/Optical Receivers/Oprm Optical Receiver Module

US $ 399 / Piece FOB
10 Pieces (MOQ)
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Shanghai Rui Tai Photoelectric Technology Co., Ltd.

Trading Company

Shanghai, China Since 2021
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S6700h Electronic Speed Governor Engine Control Module for Diesel Generator

S6700h Electronic Speed Governor Engine Control Module for Diesel Generator

US $ 23.18-33.33 / Piece FOB
1 Piece (MOQ)
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Fuan Spark Power Co., Ltd.

Fujian, China Since 2026
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High Quality Black Distribution Box Enclosure Waterproof and Dustproof 48 Modules

High Quality Black Distribution Box Enclosure Waterproof and Dustproof 48 Modules

US $ 128-130 / Piece FOB
1 Piece (MOQ)
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Yueqing Beigang Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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258-9753 Engine Interface Module Eim 258-9753 258-9754 12 V DC Basic MK3 258-9755

258-9753 Engine Interface Module Eim 258-9753 258-9754 12 V DC Basic MK3 258-9755

US $ 5 / Piece FOB
50 Pieces (MOQ)
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Chongqing Sunny Industrial Co., Ltd

Manufacturer/Factory & Trading Company

Chongqing, China Since 2024
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10W GSM Network LTE 2g 3G 4G RF GPS Power Amplifier Module for Mobile Phone Repeater

10W GSM Network LTE 2g 3G 4G RF GPS Power Amplifier Module for Mobile Phone Repeater

US $ 70 / Piece FOB
1 Piece (MOQ)
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Chengdu Royi Electric Technology Co., Ltd

Manufacturer/Factory & Trading Company

Sichuan, China Since 2024
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24 Inch Display USB C Extended Capacitive Touch Screen Android HDMI LCD Module

24 Inch Display USB C Extended Capacitive Touch Screen Android HDMI LCD Module

US $ 135-225 / Piece FOB
1 Piece (MOQ)
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Shenzhen HYY Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
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New Industrial-Grade Ethercat Remote Io Coupler PLC Standard Slave Device Expanded Digital Analog Input and Output Io Module

New Industrial-Grade Ethercat Remote Io Coupler PLC Standard Slave Device Expanded Digital Analog Input and Output Io Module

US $ 115 / Piece FOB
1 Piece (MOQ)
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Shenyang Vhandy Technology Co., Ltd

Trading Company

Liaoning, China Since 2025
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for Power Monitoring Module Smart Pack 242100.118

for Power Monitoring Module Smart Pack 242100.118

US $ 90 / Piece FOB
1 Piece (MOQ)
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Shenzhen Dulcimer Technology Co., Ltd.

Trading Company

Guangdong, China Since 2023
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High Power SMD 3535 Edge Lit LED Module for Display Lighting

High Power SMD 3535 Edge Lit LED Module for Display Lighting

US $ 2.98-3.98 / Piece FOB
100 Pieces (MOQ)
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MSS LED Lighting Co., Ltd.

Guangdong, China Since 2012
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Esp8266 Esp-03 WiFi Module Esp-03 Remote

Esp8266 Esp-03 WiFi Module Esp-03 Remote

US $ 2.01-2.18 / Piece FOB
10 Pieces (MOQ)
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Shenzhen Ke Zhi You Technology Co., Ltd.

Guangdong, China Since 2018
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ATM USB Camera Module Diebold with Right Side Connector 49255908000A

ATM USB Camera Module Diebold with Right Side Connector 49255908000A

US $ 400-450 / Piece FOB
1 Piece (MOQ)
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Beijing Shenzhou Anfu Technology Co., Limited

Guangdong, China Since 2023
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