A9G GSM/GPRS + GPS - GPS and GPRS module with A9G chip

Description

Quad-band GSM/GPRS + GPS module based on the RDA8955 chip. It integrates protocol stacks such as GSM/GPRS and supports basic voice, SMS and GPS data functions that can be used in a wide range of applications such as IoT, vehicle mounted equipment, remote location, and environmental monitoring. Users can send module location information to WeChat mini-programs or other applications using a SIM or IoT card, and then directly check the location information on their phones. A9G can also cooperate with other devices using AT command. Besides, the module includes 29 GPIO pins and an integrated SDK, which can make your own application development much easier. Full documentation is available on the product page.

Features

• 32-bit RISC core, frequency up to 312 MHz
• 29 GPIO
• PMU (Power Management Unit): Lithium battery charge management, DC-DC and LDO integrated
• Quad-band GSM / GPRS (850/900/1800/1900 MHz)
• Support for voice calls, SMS, data transmission
• Built-in microphone
• GPRS class 10
• Sensitivity <-105dB
• GPIO level: 2.8V
• Supports GPRS data service, download speed up to 85.6 Kbps, upload up to 42.8 Kbps
• Supports standard AT commands GSM07.07,07.05 and extensible Ai-Thinker command set
• The AT command supports the standard set of AT and TCP/IP commands
• Support for GPS and AGPS
• External GPS and GPRS antennas

Kit contains

• A9G GSM/GPRS + GPS module
• GPS antenna
• GPRS antenna