M3 Industrial serial port gsm modem, gsm cdma dual modem, gsm modem rs232 low cost
M3 serial port gsm modem adopts industrial grade design, uses metal box. It can be used in the hostile environment -40~ +48.
It integrates all the commonly used protocols from logical link layer to upper application layer protocols, such as TCP/IP/UDP and so on. It provides a secure, high speed, reliable wireless internet connection for customers. It supports AT Command, including SMS and data.
This product has been widely used on finance, water supply, environment protection, electric power system, post and weather fields, industrial control, outdoor AD and ATM machine etc.
Down Link: 7.2MB/S, up Link: 5.76MB/S
Support 1.8V/3V SIM/Uim Card
Default band rate
95% ( Unfreezing)
DC5~26V (type 12V)
Iron, providing IP34 protection
2. UMTS900/2100MHZ, GSM850/900/1800/1900MHZ
1. High-powered MCU, 100M
2. Interface: RS232/RS485/USB serial port, rates: 110~230400bits/s Indicator lights: "Power", "ACT", "Online" Antenna interface: Standard SMA female interface, 50 ohm SIM/UIM interface: Standard user card interface Power interface: Standard 3-PIN power jack
3. Power supply: Standard power supply: DC 12V/0.5A
Power range: DC 5~26V
4. Wireless module:
High-powered industrial 3G module
1. Design with standard TCP/IP protocol stack 2. Adopt smart online keeping technology to make sure that IP MODEM is always online 3. Support RSA and RC4 encryption arithmetic 4. Support VPDN
5. Support transparent data transfer and protocol conversion. Support multi work modes 6. Support dynamic domain name(DDNS) and IP access to data center 7. Support double data centers, one main and another backup 8. Support multi data centers, It can support 5 data centers at the same time.
9. Support multi online trigger ways, including SMS, audio and data. Support link Disconnection when timeout 10. Support SMS backup and emergency report 11. Support hardware and software WDT 12. Reporting the status of data transfer
13. Standard AT command interface 14. Support common MODEM function 15. Support telnet function 16. Support remote configure and control
17. Easy to upgrade firmware 18. Support multi OS, such as WINDOWS, LINUX, SCO UNIX etc