[Link: tvnewscheck.com]"The different PLPs included a high-data-rate mode of 28 megabits per second and an “ATSC 1-ish” mode at 19 Mbps, both at 256QAM modulation; a “handheld” mode using 16QAM with more robust reception at 8 Mbps; and a super-robust mobile PLP using QPSK modulation at 4 Mbps."