Features

• ATMEGA32U4 + A9G
• Three kinds of interfaces
• Equipped with 3.5mm headphone jack
• Standby average current is low, only 3mA or less
• Support the GSM/ GPRS/ GPS Quad-band, including 850, 900, 1800, 1900MHz
• Support China Mobile and China Unicom’s 2G GSM network worldwide
• GPRS Class 10
• Support GPS positioning
• Support voice calls
• Support SMS text messaging
• Support GPRS data service, the maximum download data rate is 85.6Kbs, upload data rate is 42.8Kbs
• Support standard GSM07.07, 07.05 AT commands and Ai-Thinker extended commands
• Support two serial ports, a serial port to download an AT command port
• Support for Global Positioning System
• Horizontal positioning accuracy of less than 2.5m
• AT command supports the standard AT and TCP / IP command interface
• Support digital audio and analog audio support for HR, FR, EFR, AMR speech coding
• Support ROHS, FCC, CE, CTA certification
• Compatible with GSM Phase 2/2 +: Class 4 (2W @ 850/900 MHz) Class 1 (1W @ 1800 / 1900MHz)
• SIM Application Toolkit
• PBCCH support
• Support USSD

Specifications

• Working voltage: 3.3-5v
• Operating temperature: -30 ℃ to + 80 ℃
• The size of A9G: 19.2 x 18.8 x 3mm
• Quad-band: 850/ 900/ 1800/ 1900MHz
• GPRS multi-slot: 12.1 to 12 can be configured
• GPRS mobile station: Class B
• Current consumption: 1.3mA @ DRX = 5; 1.2mA @ DRX = 9
• AT command control: Standard GSM07.07, 07.05 AT commands and Ai-Thinker extended commands
• GPRS Class 10: Up 85.6 kbps (upstream) & 42.8Kbps (downlink)
• Dynamic Conditions Altitude <18,000 meters (60,000 feet)
• Speed
• Coding scheme: CS 1, 2, 3, 4
• Support CSD: Up 14.4 kbps
• Stack: PPP / TCP / UDP / HTTP / FTP / SMTP / MUX

Note

• Make sure your SIM card is locked.
• This product is supplied as is, without an insulated housing. In high humidity weather, pay special attention to ESD precautions.
• It just supports baud rate: 115200 bps

Wiki & External links

• User manual (wiki link)