M-bus自动抄表系统中的经常使用的TSS721A开发文档。对软硬件开发均有帮助。-M-bus automatic meter reading system in the development of frequently used documents TSS721A. On the development of both hardware and software.

有方GPRS模块开发文档，包括硬件设计指南，同时有对376.3-2013的检测指导。-NEO-GPRS module development documentation, including hardware design guide, while detection of 376.3-2013 guidance.