• Shenzhen Coolmay Technology Co., Ltd.
    Juan Guevara
    muy buen trato con el vendedor y muy buena asesoria y el producto está trabajando muy bien ya tiene un año y no he tenido ningún problema
  • Shenzhen Coolmay Technology Co., Ltd.
    Obert Matetakufa
    I'm very happy with the business deal and all the support they are giving . A very good business partner
Contact Person : Joanna
Phone Number : 008613316892240
WhatsApp : +8613316892240

RS232 RS485 Port Industrial IoT Module GPRS Wireless Communication Module

Place of Origin China
Brand Name Coolmay
Model Number CX-WIFI-2NET
Minimum Order Quantity 1 Unit
Price Details Need To Be Negotiated
Packaging Details Carton
Delivery Time 3-5 Days After Payment Confirmed
Payment Terms TT,Paypal, Western Union, Credit Card
Supply Ability 15000 Units Per Week
Product Details
Dimension 65*90*36mm Frequencyrange 850/900/1800/1900MHz GSM
Data Interface RS232,RS4852400bps~921600bps Network Type GSM/GPRS/EDGE
Networkprotocol TCP/UDP/DNS/HTTP Transmitpower 2400~921600bps
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RS485 Port Industrial IoT Module


RS232 Industrial IoT Module


RS485 Wireless Communication Module

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Product Description

RS232 RS485 Port Industrial IoT Module GPRS Wireless Communication Module

232/485 To WIFI Module Ethernet Network Industrial loT Module Modbus Protocal



  CM-GPRS is a wireless communication module adopts transparent transmission combined with GPRS. It can realize the connection between automatic system and GPRS and GSM used together with Coolmay PLC. Programming,diagnosing,uploading and downloading in a remote distance can be achieved through programming software. Cellphone users can control PLC through SMS messages. CM-GPRS can be particularly applied to distributed remote monitoring system.




  1. GSM module can be globally used, support Unicom, GPRS of mobile, SIM card (MICRO type)
  2. Industrial module adopted, stable performance, quality assured
  3. Support automatically start when without data transmission for a long time ( Set less than 600s to disable automatic restart function )
  4. Transparent data transmission
  5. Standard industrial port (RS-232/ RS-485)
  6. Support long time on-line mode, with bolt redial and heart beat function
  7. Support local configuration
  8. Support transmit-receive of message, support setting parameters remotely through messages ( Setting parameters by message support password verification, which can prevent illegal users to set parameters or the bother of junk short message), support set parameters from a remote server ( this function can be opened and closed).


Hardware Introduction:


RS232 RS485 Port Industrial IoT Module GPRS Wireless Communication Module 0RS232 RS485 Port Industrial IoT Module GPRS Wireless Communication Module 1




Installation Standard guide rail installation  and can be installed on NS35/7.5 or NS32 guide slot
Dimension 90*60*32mm
Frequency range 850/900/1800/1900MHzGSM
Network standards GSM/GPRS/EDGE
Data interface RS232,RS4852400bps~921600bps
Network type GSM/GPRS/EDGE
User configuration Serialport/network/messageATinstruction(configuration software is offered)
Transmitpower 2400~921600bps


Detail Pictures:

RS232 RS485 Port Industrial IoT Module GPRS Wireless Communication Module 2



1) Are you a manufacturer or trade company?
We are manufacturer of PLC,HMI,HMI PLC combo and other industrial products for over 16 years, we have engineers for study & design
and workers for produce and operate etc, we could support you one-stop products and service.
2) Do you have a CE certificate?
Yes, for the products we exported, we could offer the CE for your Customs.
3) How long about the delivery?
It depends on the order details, and usually, we could support the delivery within 2-7 working days after payment confirmed.
4) Payment terms:
We accept TT Bank Transfer, Paypal, Credit Card on Alibab, Western Union ect.