P802.15.4c/D4 - IEEE Draft Amendment to IEEE Standard for Information Technology-Telecommunications and Information Exchange Between Systems-Local and Metropolitan Area Networks-Specific Requirements-Part 15.4:Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (LR-WPANS): Amendment 2: Alternative Physical Layer Extension to Support One Or More of the Chinese 314-316 MHz, 430-434 MHz, and 779-787 MHz Bands | IEEE Standard | IEEE Xplore