基于无线通信的可视对讲门禁系统，系统设计可靠，实用性墙上-Based on Wireless Communication visual intercom access control system, system design reliability, practicability of the wall

基于OMAP和ZigBee的车载无线对讲系统设计,硕士毕业论文，浙江大学电气工程学院，张　扬,王同苍,朱善安-Vehicle based on OMAP and ZigBee wireless intercom system design, Master Thesis, Institute of Electrical Engineering, Zhejiang University, unassuming, Cang Wang, Shan-An Zhu