DP-888 used TDMA Tier 1 & Tier 2 technology, which is easy migrating from analog channel to digital channel. With the compact and light weight design, it allows users using this radio in any application area.
TDMA preserves the full channel width and divides it into alternating time slots that can each carry an individual call. DP-560 used TDMA technology & maintains that two-slot 12.5KHz TDMA-based systems.