Professional Maestro M2M 3G gsm gprs modem with Sierra SL8082T module

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$38.00 - $89.00 / Sets | 1 Set/Sets (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Maestro M40
Model Number:
Maestro M40
Wireless, Original Maestro M40 3G GSM/GPRS modem
Interface Type:
Transmission Rate:
Products Status:
Product name:
Maestro M40 M2M 3G gsm gprs modem with Sierra SL8082T radio module
3G 850/1900MHZ or 900/2100MHZ or 850/2100MHZ
Sierra SL808X
sms , mms, voice, email , data transmission
TCP/IP Stack,Open AT, Wavecom at command
Industrial,vending,trafic,POS etc
Industrial Field/M2M
Maestro Smart Pack
Supply Ability
Supply Ability:
88888 Set/Sets per Month Original Maestro M40 3G GSM/GPRS modem
Packaging & Delivery
Packaging Details
box packing.- Original Maestro M40 3G GSM/GPRS modem
Product Description
Professional Maestro M40 M2M 3G gsm gprs modem with Sierra SL8082T radio module
The Maestro M40 Series of programmable modems is our smallest platform for connecting products or developing powerful M2M applications.The 3G M40 series come with a Serial interface and its compact form factor fits easily into existing equipment or machinery. 






The Maestro M40 is the perfect solution for M2M applications facing tough environmental conditions and extended lifetime requirements. This compact and intelligent modem running Open AT ® Application Framework is perfect to connect industrial equipment such as electricity meters, programmable logic controllers, lifts and vending machines.


Key features

1. Maestro M40 Series Modem (3G frequency bands)

     (1)Model M403G00 :Sierra SL8080T module ,  3G WCDMA/HSDPA Dual Band 850/1900Mhz 

     (2)Model M403G02 :Sierra SL8082T module ,  3G WCDMA/HSDPA Dual Band 900/2100Mhz 

     (3)Model M403G03 :Sierra SL8083T module ,  3G WCDMA/HSDPA Dual Band 900/2100Mhz 

     (4)Model M403G04 :Sierra SL8084T module ,  3G WCDMA/HSDPA Dual Band 850/2100Mhz 

2. Maestro M40 Series Modem (2G frequency bands)

    GSM/GPRS/EDGE Quad Band 850/900/1800/1900Mhz / Class 10 


4. Avantage: (1) Sierra Wireless Open AT ® Application

                    (2) Maestro Wireless Solutions Smart Pack II
5. Supported by AirVantage M2M Cloud for building powerful M2M applications

6. Programmable  industrial graded RS232 / Serial Maestro M40 3G Modem with TCP-IP stack





Maestro Smart Pack

The Maestro Smart Pack II can be pre-loaded in M40 modems to ease device setup and network registration. This application includes much-needed features for system integrators such as auto baud-rate detection, auto-TCP/UDP connection, self-healing in case of network failure, industry specific protocols and many more.



Open AT® Application Framework


Open AT® Application Framework is a complete software package for developing embedded M2M applications in standard C/C++.  It is a standards-based technology used by millions of devices worldwide and with a proven track record of more than 10 years in the field. It is supported by a well-established ecosystem and a forum with an active M2M developer community.

Bring your solution to market faster and more cost-effectively when you take advantage of the building blocks in Open AT:

  • An operating system designed specifically for M2M
  • Integrated libraries that make it easy to add extra features and protocols
  • Developer Studio, a free of cost development tool, that streamlines your software development



Product Details

The M40 comes with the following interfaces

1. SIM Interface
2. LED Status Indicator
3. 8-pin Micro-Fit Connector (this interface provides the connection for the following)
4. Power Supply
5. Main Serial Link (RS-232)
6. RF Interface







Using M40 Modem 




Inserting the SIM Card



3G M40 Complete Cable Package
The M40 complete cable package contains the following items:
1. Maestro 3G M40 modem
2. FME Antenna
3. Adaptive Cable
4. Standard DB9 Cable
5. AC/DC adaptor


Physical Dimensions

Weight60 g
Volume81.78 cm3
Packaging & Shipping

Packing : Neutral packing




Our Services


We offer the best services and saleafter to our customers, Pls feel free to contact us! 

Before packing,we have strict testing system to insure the high quality of our goods.

Company Information

HONGKONG BaiLing International Co.,Ltd is a foreign trade company with 8 years experience.We have our sales department,technical department and also production department.With the endurance of our research and development department,our main products are all have CE&ROHS certificates.Our faith is to provide the best goods for our best customers.




1.How to place an order?
Please send us an inquiry to me ,I will reply to you within 12 hours

2.How to send the money?
(1) T/T (2) Paypal (3) Western Union (4 )Alibaba (5) Wechat (4)  Alipay.

3.When will you send out the goods?And how long time we received them?
Normally , we will send out the goods within one week 
(1) DHL :3-5days (2) UPS :4-6 days (3) Fedex: 6-8 days (4) TNT/Amerax : 8-10 days (5) EMS: 15-20 days
4.How long time warranty of your products?
One year warranty from the date we send out the goods.

5.If any problems on the products,how can we get the warranty maintenance?
(1)Usually if under warranty,we will offer free spare parts to replace;
(2)If can't be fixed,we will provide free new one to replace,we will share 50% and 50% for the shipping cost
(3)If out of warranty,you need to pay for the spare parts or new one and the shipping cost.
Contact Details