1 pcs
Delivery Time
3~7 working days
Trade Terms
EXW, FOB Shenzhen, CIF, Door to door.
Payment Terms
T/T, Western Union, PayPal,Wechat,Alipay,Aliexpress
Standard Export Cartons
By sea, By air or By express delivery (DHL/UPS/FEDEX/TNT)
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Company Advantages
1. When manufacturing Coolmay , we take the quality of raw materials into consideration. Made of imported driver chip and special electronic component, the power supply module is high-precision
2. Shenzhen Coolmay Technology Co., Ltd. only manufactures high quality . The power supply of Coolmay's PLC HMI All in one is installed outside which ensures low fault
3. The performance of the product has an irreplaceable advantage in the market. The PLC HMI All in one can be widely used in industrial and civil automation fields
4. A series of quality tests is conducted on the entire range to seek out any possible defect. The PLC HMI All in one is of high flexibility
5. An internal team or a third-party team is hired to determine whether the product meets the standards. Before shipment, all Coolmay's PLC will undergo strict tests


◆ Product Description


The CM-WIFI module is a compact and powerful integrated 802.11 b/g/n WIFI low-power solution developed by Shenzhen Gumei Technology Co., Ltd. The module comes with a RS485 port and a standard RS232 communication port. Through the CM-WIFI module, traditional serial devices such as PLC and instrument can be easily connected to the WIFI wireless network for transparent transmission, thus realizing the IoT network control and management.


The CM-WIFI-L is available with a lithium battery.

The module uses the industry's lowest power embedded architecture and is optimized for low-flow, low-frequency data transmission in smart homes, smart grids, handheld devices, personal healthcare, and industrial control.



● Supports STA/AP/STA+AP coexistence working mode.

● Support Smart Link intelligent networking function (providing APP).

● Completely replace the wired cable and realize the direct connection and configuration between the PLC and the computer (host computer).

● Built-in WIFI module, 300MW transmit power, easy to cover 100m scene, wireless programming, debugging and monitoring in any corner.

● Cross-regional connection, no need to set complex parameters in the off-site, both plug and play. Easily control the remote PLC at home or in the company, avoiding troubles on business trips.

◆ Product Parameters

Specifications of PLC module Series
InstallationStandard guide rail’s installation,can be installed on NS35\7.5or NS32 guide slot
Wiring wayPower and RS232/485 adopts pluggble terminals
Frequency range2.412GHz-2.484GHz850/900/1800/1900MHz GSM120MHz2.412GHz-2.484GHz5 modes, 12 channels
Network standards802.11 b/g/nGSM/GPRS/EDGELAN ethernet:10/100Mbps802.11 b/g/nTDD-LTE/FDD-LTE WCDMA/TD-SCDMA/GSM/GPRS/EDGE
Data interfaceRS232,RS485RS232,RS485RS232,RS485RS232,RS485RS232,RS485

Network typeSTA/AP/STA+APGSM/GPRS/EDGE10/100Mbps network portStation/AP modeTDD-LTE/FDD-LTE WCDMA/ 
User Configuration Web page/Serial port  AT commandSerial port AT command,Configuration software/Web server/Serial port AT command,network AT instruction,short message AT instruction
network AT instruction,Web pagenetwork AT
short message AT instruction
Transmit power300-460800bps2400-921600bps300-460800bps300-230400bps
Detail info refer to<CM-WIFI user manual><CM-GPRS user manual><CM-NET Ethernet Module user manual><CM-WIFI-2NET user manual><CX-4G user manual>
<Visual serial port CM-VCOM> <CM-GPRS module setting software><CM-NET module setting software><CX-4G module setting software>

◆ Package

▶▶▶ Our products are tested before shipment and are packed with Standard export cartons.


◆ Shipping


We support both OEM & ODM packaging. Our normally delivery method are by the  sea, by air, by international express (DHL, UPS, TNT, FedEx)

Company Features
1. The factory is well-equipped with a full set of manufacturing facilities and testing equipment. This not only enables us to increase production efficiency, but also helps us improve the customer satisfaction level by high-quality products.
2. Based on a deep corporate culture, Coolmay has become a leading supplier. Please contact us!
The good-looking appearance of has caught the eyes of more customers. The polishing treatment has removed all of its surface imperfections
The special composition of makes it obtain good performances like . It can withstand water or moisture corrosion
Our is warmly welcomed at home abroad by its fabulous design.The hot-dip galvanized coatings enables it to resist outdoor elements such as rain and sunlight
has many advantages, it is the ideal new type of . The product has a smooth metal surface with no burrs
plays a great role in .It is manufactured in strict accordance with Chinese and international standards
Because it is not wrinkle-prone, this product is often an easier option to care for. And it can be machine-washed to fit a busy lifestyle. It is distinguished by its exceptional thermal stability
This product has the outstanding characteristics of ultra-light, ultra-thin, wear-resistant and impact-resistant, which can keep the spectacle lens natural for a long time. The hot-dip galvanized coatings enables it to resist outdoor elements such as rain and sunlight
The material of this kind of product with high-quality has high transparency and a certain of fine flexibility with various sizes. Its size and shape can be customized according to different doors
To a certain degree, it is antibacterial. It leaves the dust mites nowhere to live, greatly reducing their number and the allergic reactions they cause. The product has passed the load test
This product has good resistance to deformation. When other objects apply a certain load, it will never deform. It is distinguished by its exceptional thermal stability
This product has no wrinkles. The treated fibers have high elasticity and strong friction resistance to maintain the shape of the fabric. The reinforced metal structure enables it to withstand heavy daily use
Shenzhen Coolmay Technology Co., Ltd. 's superior customer service increases the professionalism and effectiveness of customer interactions. This product plays an important role in different positions of the garage door
Coolmay’s leading technologies, quality products and professional services are always oriented to customer needs. The product provides safety and security for the door
OEM/ODM services for our are supported by our rich R&D experience. The product can be recycled and reused for environmental friendliness
Shenzhen Coolmay Technology Co., Ltd. provides more cost-effective and comprehensive products. It sells well in the USA, Russia, Europe, Australia, New Zealand, Mexico, Middle East, etc
The product repair rate of Coolmay is very low, which is far lower than that of its counterparts in the industry. The coated surface has greatly improved its durability
Shenzhen Coolmay Technology Co., Ltd. 's business achievements have been unanimously approved by the market and industry colleagues. The product has a smooth metal surface with no burrs
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