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High definition si4438 MODULE - NB-IoT wireless transparent transmission module – HAC

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With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and growth, we're going to build a prosperous future together with your esteemed firm for Rak7246 , Hac-Nbw , Lorawan 470 Mhz , We persistently develop our enterprise spirit "quality lives the business, credit score assures cooperation and retain the motto inside our minds: consumers very first.
High definition si4438 MODULE - NB-IoT wireless transparent transmission module – HAC Detail:

Main Features

1. Nb-iot base station can be used without a central gateway  

2. Supports a variety of low-power operation modes  

3. High-performance 32 bits microcontroller  

4. Supports low power serial port (LEUART) communication, TTL level 3V  

5. The semi-transparent communication mode communicates with the server directly through a low-power serial port  

6. Compatible NanoSIM eSIM  

7. Read parameters, set parameters, report data, and deliver commands through the low-power serial port 

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8. HAC communication protocol must be matched, or protocol can be customized as required  

9. The server protocol is resolved by COAP+JSON  

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High definition si4438 MODULE - NB-IoT wireless transparent transmission module – HAC detail pictures

High definition si4438 MODULE - NB-IoT wireless transparent transmission module – HAC detail pictures

High definition si4438 MODULE - NB-IoT wireless transparent transmission module – HAC detail pictures


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We are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for High definition si4438 MODULE - NB-IoT wireless transparent transmission module – HAC , The product will supply to all over the world, such as: Amman, Albania, Kenya, As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.

1  Incoming Inspection

 Matching gateways, handhelds, application platforms, testing software etc. for system solutions

2  welding products

Open protocols, dynamic link libraries for convenient secondary development

3  Parameter testing

Pre-sales technical support, scheme design, installation guidance, after-sales service

4  Gluing

 ODM/OEM customization for quick production and delivery

5  Testing of semi-finished products

7*24 remote service for quick demo and pilot run

6  Manual re inspection

Assistance with certification and type approval etc.

7 package22 years industry experience, professional team, multiple patents

8  package 1

  • Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Grace from British - 2018.12.30 10:21
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Jean from French - 2017.10.27 12:12
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