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Quick Details

  • Products Status: Stock
  • Style: External
  • Type: Wireless
  • Interface Type: RS232/RS485/USB
  • Transmission Rate: 3.6Mbps
  • Certification: CE.ROHS
  • Brand Name: Bailing
  • Model Number: Maestro100 2G/3G modem
  • Place of Origin: Guangdong, China (Mainland)
  • Product: RS232/RS485 maestro100 3G modem
  • Function: SMS/Voice/Data/Fax/GPS
  • UMTS (WCDMA) HSDPA frequency: 850/1900 MHz, 900/2100 MHz, 850/2100 MHz optional
  • GSM frequency: Quad band 850/900/1800/1900MHZ
  • GPRS: Class 10
  • Chip: Based on Sierra SL8080/82/84 module
  • Internet service: TCP/UDP/HTTP/SMTP/POP3/SNMP/SSL
  • Control via AT commands: Yes
  • Application: industrial, vending, traffic, POS, ATM etc M2M modem
  • Warranty: 1 year

Packaging & Delivery

Packaging Details neutral packing
Delivery Time 2~4 days after payment

GSM GPRS Modem  with RS232 serial port PC to GSM network

Product Description

there are two types interface: rs232, rs485 

The picture of rs232 maestro 100 modem


the picture of rs485 maestro 100 modem


Main features:

1. Maestro100 3G modem

2. Interface: RS232 DB15 + mini USB

                     RS485 + mini USB interface optional

3. Based on sierra SL8080/81/82/83/84 modules:


SL8080/81: 850/1900 MHz

SL8082/83: 900/2100 MHz

SL8084/85: 850/2100 MHz



850 /900/1800/1900 MHz


4. W-CDMA / HSDPA: Up to 3.6 Mbps downlink

5. Voice/Data/Fax/SMS: Yes

6. Internet service: TCP/UDP/HTTP/SMTP/POP3/SNMP/SSL

7. Control via At commands

8. Point-to-point MO and MT

9. SMS cell broadcast

10. Text and PDU mode

11. Application: Industrial, vending, traffic, POS, ATM etc M2M modem



1.Power adapter 
2.RS232/RS485 cable 
3. Antenna 
3. CD for driver  



The specification of maestro100 GSM 3G modem


Smart Maestro Configuration Software

Operating system:



Packaging & Shipping

Packing : Neutral packing


Our Services

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

Before packing,we have strict testing system to insure the high quality of our goods. all of our product with 1 year warranty.

Company Information




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China (Mainland)
Transaction Level:
Supplier Assessments:
16 Transactions 40,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $46,000
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