Specification:

• Interface: DB9 audio interface, RS232 data interface
• SIM: 3V/5V SIM card slot with automatic detection
• Serial data rate: 9,600 to 115,200bps
• Power supply: 9V DC/500mA
• Maximum current: 70mA
• Operating voltage: 5 to 35V DC
• Operating temperature: -25 to 65°C
• Storage temperature: -40 to 85°C
• Relative humidity: 95% RH non-condensing.

Features:

• Transparent data transmission in sending SMS
• Wireless access to Internet
• Supports speech communication and number dial-up
• Supports CSD (circuit switched data)
• Supports AT command to make remote control
• Antenna with high-sensitivity
• EMC anti-jamming, can work in bad electromagnetic environment
• Industrial design with aluminum housing, waterproof and anti-shock.