Firmware release: GPRS 固件发布
GPRS series module upgrade guide: GPRS 系列模组升级指南
Use AT commands to develop examples: GSM/GPRS操作示例
User Manual: A6/A9/A9G User Manual
Specification: A6
Package: A6 package
Size: A6 size
Note: If you need a reference circuit, you can refer to the schematic diagram of the A6 adapter board: A6转接板